{
  "schema_version": "2.0",
  "product": {
    "brand": "Apple",
    "category": "portable-media-player",
    "family": "iPod",
    "model": "iPod touch (4th generation)",
    "model_slug": "ipod-touch-4th-generation",
    "model_year": null,
    "year_introduced": null,
    "variant": null,
    "model_numbers": [
      "A1367"
    ],
    "storage_options": [
      "8 GB",
      "16 GB",
      "32 GB",
      "64 GB"
    ]
  },
  "source": {
    "source_type": "manufacturer",
    "source_url": "https://support.apple.com/en-ie/112431",
    "source_file": "apple_remaining_extraction/technical_specs_html/ipod-touch-4th-generation-tech-specs.html",
    "source_title": "iPod touch (4th generation) - Technical Specifications - Apple Support (IE)",
    "publisher": "Apple Support (Ireland)",
    "published_at": null,
    "checked_at": "2026-11-11",
    "verification_status": "content_verified",
    "verification_notes": "Official Apple technical-specification page captured as original HTML on 2026-11-11; 16 table sections extracted. The first record section preserves model-identification evidence from Apple's separate identification page.",
    "notes": [
      "Technical specifications in the following sections are transcribed from the model-specific Apple technical-specification page; each section carries its own source URL and archive path.",
      "The first section preserves model number/introduction-date evidence from Apple's separate identification page: https://support.apple.com/en-ie/103823, archived at apple_remaining_extraction/technical_specs_html/ipod-index.html."
    ]
  },
  "extraction": {
    "method": "section_preserving",
    "normalization_status": "partially_normalized",
    "note": "Official Apple iPod identification text retained. Explicit model numbers, introduction dates, capacity options and navigation interface extracted where present with source-section provenance. These are identification-page records, not full historical technical-specification sheets; no absent specs inferred.",
    "extracted_at": "2026-11-09",
    "reviewed_at": "2026-11-09"
  },
  "sections": [
    {
      "heading": "iPod touch (4th generation)",
      "source_text": "Navigation: Multi-Touch display\nCapacity: 8, 16, 32 and 64 GB\nModel numbers and dates introduced: A1367: October 2012 A1367: October 2011 A1367: September 2010\nModel numbers and dates introduced:\nA1367: October 2012\nA1367: October 2011\nA1367: September 2010\niPod touch (4th generation) has an iSight camera and FaceTime HD camera.\niPod touch (4th generation) is available in white and black.",
      "source_url": "https://support.apple.com/en-ie/103823",
      "source_file": "apple_remaining_extraction/technical_specs_html/ipod-index.html"
    },
    {
      "heading": "Color",
      "source_text": "White Black",
      "source_url": "https://support.apple.com/en-ie/112431",
      "source_file": "apple_remaining_extraction/technical_specs_html/ipod-touch-4th-generation-tech-specs.html"
    },
    {
      "heading": "Capacity 1",
      "source_text": "8GB | 32GB | 64GB",
      "source_url": "https://support.apple.com/en-ie/112431",
      "source_file": "apple_remaining_extraction/technical_specs_html/ipod-touch-4th-generation-tech-specs.html"
    },
    {
      "heading": "Size and Weight 2",
      "source_text": "Height: 4.4 inches (111.0 mm) Width: 2.32 inches (58.9 mm) Depth: 0.28 inch (7.2 mm) Weight: 3.56 ounces (101 grams)",
      "source_url": "https://support.apple.com/en-ie/112431",
      "source_file": "apple_remaining_extraction/technical_specs_html/ipod-touch-4th-generation-tech-specs.html"
    },
    {
      "heading": "Wireless 3",
      "source_text": "802.11b/g/n Wi-Fi (802.11n 2.4GHz only) Bluetooth 2.1 + EDR Maps-location based service 4 Nike+ support built in 5",
      "source_url": "https://support.apple.com/en-ie/112431",
      "source_file": "apple_remaining_extraction/technical_specs_html/ipod-touch-4th-generation-tech-specs.html"
    },
    {
      "heading": "Display",
      "source_text": "3.5-inch (diagonal) widescreen Multi-Touch display 960-by-640-pixel resolution at 326 pixels per inch",
      "source_url": "https://support.apple.com/en-ie/112431",
      "source_file": "apple_remaining_extraction/technical_specs_html/ipod-touch-4th-generation-tech-specs.html"
    },
    {
      "heading": "Camera, Photos, and Video",
      "source_text": "Video recording, HD (720p) up to 30 frames per second with audio; still photos (960 by 720) with back camera VGA-quality photos and video up to 30 frames per second with front camera Tap to control exposure for video or stills Photo and video geotagging over Wi-Fi",
      "source_url": "https://support.apple.com/en-ie/112431",
      "source_file": "apple_remaining_extraction/technical_specs_html/ipod-touch-4th-generation-tech-specs.html"
    },
    {
      "heading": "Input and Output",
      "source_text": "30-pin dock connector 3.5-mm stereo headphone minijack Built-in speaker Microphone",
      "source_url": "https://support.apple.com/en-ie/112431",
      "source_file": "apple_remaining_extraction/technical_specs_html/ipod-touch-4th-generation-tech-specs.html"
    },
    {
      "heading": "Power and Battery 6",
      "source_text": "Built-in rechargeable lithium-ion battery Music playback time: Up to 40 hours when fully charged Video playback time: Up to 7 hours when fully charged Charging times: Fast charge in about 2 hours (80% capacity), full charge in about 4 hours",
      "source_url": "https://support.apple.com/en-ie/112431",
      "source_file": "apple_remaining_extraction/technical_specs_html/ipod-touch-4th-generation-tech-specs.html"
    },
    {
      "heading": "Audio",
      "source_text": "Frequency response: 20Hz to 20,000Hz Audio formats supported: AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), HE-AAC, MP3 (8 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, 4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless, AIFF, and WAV User-configurable maximum volume limit",
      "source_url": "https://support.apple.com/en-ie/112431",
      "source_file": "apple_remaining_extraction/technical_specs_html/ipod-touch-4th-generation-tech-specs.html"
    },
    {
      "heading": "TV and Video",
      "source_text": "H.264 video up to 720p, 30 frames per second, Main Profile level 3.1 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats MPEG-4 video up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps per channel, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format Support for 1024 by 768 pixels with Apple VGA Adapter; 576p and 480p with Apple Component AV Cable; 576i and 480i with Apple Composite AV Cable (cables sold separately)",
      "source_url": "https://support.apple.com/en-ie/112431",
      "source_file": "apple_remaining_extraction/technical_specs_html/ipod-touch-4th-generation-tech-specs.html"
    },
    {
      "heading": "Headphones",
      "source_text": "Earphones Frequency response: 20Hz to 20,000Hz Impedance: 32 ohms",
      "source_url": "https://support.apple.com/en-ie/112431",
      "source_file": "apple_remaining_extraction/technical_specs_html/ipod-touch-4th-generation-tech-specs.html"
    },
    {
      "heading": "Sensors",
      "source_text": "Three-axis gyro Accelerometer Ambient light sensor",
      "source_url": "https://support.apple.com/en-ie/112431",
      "source_file": "apple_remaining_extraction/technical_specs_html/ipod-touch-4th-generation-tech-specs.html"
    },
    {
      "heading": "System Requirements",
      "source_text": "Apple ID (required for some features) Internet access 3 Syncing with iTunes on a Mac or PC requires: Mac: OS X v10.5.8 or later PC: Windows 7; Windows Vista; or Windows XP Home or Professional with Service Pack 3 or later iTunes 10.5 or later (free download from www.itunes.com/uk/download ) 7",
      "source_url": "https://support.apple.com/en-ie/112431",
      "source_file": "apple_remaining_extraction/technical_specs_html/ipod-touch-4th-generation-tech-specs.html"
    },
    {
      "heading": "Environmental Requirements",
      "source_text": "Operating temperature: 32° to 95° F (0° to 35° C) Nonoperating temperature: -4° to 113° F (-20° to 45° C) Relative humidity: 5% to 95% noncondensing Maximum operating altitude: 10,000 feet (3000 m)",
      "source_url": "https://support.apple.com/en-ie/112431",
      "source_file": "apple_remaining_extraction/technical_specs_html/ipod-touch-4th-generation-tech-specs.html"
    },
    {
      "heading": "Languages",
      "source_text": "Language Support English (U.S.), English (UK), Chinese (Simplified), Chinese (Traditional), French, German, Italian, Japanese, Korean, Spanish, Arabic, Catalan, Croatian, Czech, Danish, Dutch, Finnish, Greek, Hebrew, Hungarian, Indonesian, Malay, Norwegian, Polish, Portuguese, Portuguese (Brazil), Romanian, Russian, Slovak, Swedish, Thai, Turkish, Ukrainian, Vietnamese Keyboard Support English (U.S.), English (UK), Chinese - Simplified (Handwriting, Pinyin, Stroke), Chinese - Traditional (Handwriting, Pinyin, Zhuyin, Cangjie, Stroke), French, French (Canadian), French (Switzerland), German (Germany), German (Switzerland), Italian, Japanese (Romaji, Kana), Korean, Spanish, Arabic, Bulgarian, Catalan, Cherokee, Croatian, Czech, Danish, Dutch, Emoji, Estonian, Finnish, Flemish, Greek, Hawaiian, Hebrew, Hindi, Hungarian, Icelandic, Indonesian, Latvian, Lithuanian, Macedonian, Malay, Norwegian, Polish, Portuguese, Portuguese (Brazil), Romanian, Russian, Serbian (Cyrillic/Latin), Slovak, Swedish, Thai, Tibetan, Turkish, Ukrainian, Vietnamese Dictionary Support English (U.S.), English (UK), Chinese (Simplified), Chinese (Traditional), French, French (Canadian), French (Switzerland), German, Italian, Japanese (Romaji, Kana), Korean, Spanish, Arabic, Catalan, Cherokee, Croatian, Czech, Danish, Dutch, Estonian, Finnish, Flemish, Greek, Hawaiian, Hebrew, Hindi, Hungarian, Indonesian, Latvian, Lithuanian, Malay, Norwegian, Polish, Portuguese, Portuguese (Brazil), Romanian, Russian, Slovak, Swedish, Thai, Turkish, Ukrainian, Vietnamese",
      "source_url": "https://support.apple.com/en-ie/112431",
      "source_file": "apple_remaining_extraction/technical_specs_html/ipod-touch-4th-generation-tech-specs.html"
    },
    {
      "heading": "In the Box",
      "source_text": "iPod touch Earphones Dock Connector to USB Cable Quick Start guide",
      "source_url": "https://support.apple.com/en-ie/112431",
      "source_file": "apple_remaining_extraction/technical_specs_html/ipod-touch-4th-generation-tech-specs.html"
    }
  ],
  "record_notes": [
    "Archival-first-pass record; normalized specifications not inferred.",
    "Field extraction pass 2026-11-09: extracted explicit model-number/date, capacity and navigation data from the preserved official Apple identification text.",
    "2026-11-11 normalization pass: missing headphone, video recording/playback, environmental, in-box and language-support fields were added from existing archived Apple technical-specification sections. Raw source text remains unchanged; unspecified headphone measurements and other absent values are not inferred."
  ],
  "normalized_specifications": {
    "navigation_interface": {
      "value": {
        "value": "Multi-Touch display",
        "unit": null,
        "source_section": "iPod touch (4th generation)",
        "verification_status": "source_transcribed",
        "notes": "Parsed from the preserved official Apple iPod identification text; wording retained."
      }
    },
    "model_number_dates": {
      "value": {
        "value": [
          {
            "model_number": "A1367",
            "introduced": "October 2012"
          },
          {
            "model_number": "A1367",
            "introduced": "October 2011"
          },
          {
            "model_number": "A1367",
            "introduced": "September 2010"
          }
        ],
        "unit": null,
        "source_section": "iPod touch (4th generation)",
        "verification_status": "source_transcribed",
        "notes": "Exact duplicate model/date pairs removed. The same model number is retained multiple times when Apple lists distinct introduction dates or regional variants."
      }
    },
    "capacity_statements": {
      "value": {
        "value": [
          "8 GB",
          "32 GB",
          "64 GB"
        ],
        "unit": null,
        "source_section": "Capacity 1",
        "verification_status": "source_transcribed",
        "notes": "Capacity statements parsed from the model-specific Apple technical-specification table and preserved in the matching Capacity section."
      }
    },
    "official_description": {
      "value": {
        "value": "Model numbers and dates introduced:\nA1367: October 2012\nA1367: October 2011\nA1367: September 2010\niPod touch (4th generation) has an iSight camera and FaceTime HD camera.\niPod touch (4th generation) is available in white and black.",
        "unit": null,
        "source_section": "iPod touch (4th generation)",
        "verification_status": "source_transcribed",
        "notes": "Description transcribed from the official Apple identification page."
      }
    },
    "dimensions": {
      "height": {
        "value": 111,
        "unit": "mm",
        "source_section": "Size and Weight 2",
        "verification_status": "content_verified"
      },
      "width": {
        "value": 58.9,
        "unit": "mm",
        "source_section": "Size and Weight 2",
        "verification_status": "content_verified"
      },
      "depth": {
        "value": 7.2,
        "unit": "mm",
        "source_section": "Size and Weight 2",
        "verification_status": "content_verified"
      },
      "weight": {
        "value": 101,
        "unit": "g",
        "source_section": "Size and Weight 2",
        "verification_status": "content_verified"
      }
    },
    "display": {
      "technology": {
        "value": "Widescreen Multi-Touch display",
        "unit": null,
        "source_section": "Display",
        "verification_status": "content_verified"
      },
      "diagonal": {
        "value": 3.5,
        "unit": "inches",
        "source_section": "Display",
        "verification_status": "content_verified"
      },
      "resolution": {
        "value": "960 × 640",
        "unit": "pixels",
        "source_section": "Display",
        "verification_status": "content_verified"
      },
      "pixel_density": {
        "value": 326,
        "unit": "ppi",
        "source_section": "Display",
        "verification_status": "content_verified"
      }
    },
    "camera": {
      "rear_photo_resolution": {
        "value": "960 × 720",
        "unit": "pixels",
        "source_section": "Camera, Photos, and Video",
        "verification_status": "content_verified"
      },
      "rear_video_max_resolution": {
        "value": "720p HD",
        "unit": null,
        "source_section": "Camera, Photos, and Video",
        "verification_status": "content_verified"
      },
      "rear_video_max_frame_rate": {
        "value": 30,
        "unit": "fps",
        "source_section": "Camera, Photos, and Video",
        "verification_status": "content_verified"
      },
      "front_camera_quality": {
        "value": "VGA-quality photos and video",
        "unit": null,
        "source_section": "Camera, Photos, and Video",
        "verification_status": "content_verified"
      },
      "front_video_max_frame_rate": {
        "value": 30,
        "unit": "fps",
        "source_section": "Camera, Photos, and Video",
        "verification_status": "content_verified"
      }
    },
    "wireless": {
      "wifi_standards": {
        "value": [
          "802.11b",
          "802.11g",
          "802.11n"
        ],
        "unit": null,
        "source_section": "Wireless 3",
        "verification_status": "content_verified"
      },
      "wifi_frequency_support": {
        "value": [
          "2.4 GHz"
        ],
        "unit": null,
        "source_section": "Wireless 3",
        "verification_status": "content_verified"
      },
      "bluetooth_version": {
        "value": "2.1 + EDR",
        "unit": null,
        "source_section": "Wireless 3",
        "verification_status": "content_verified"
      }
    },
    "battery": {
      "music_playback_time_max": {
        "value": 40,
        "unit": "hours",
        "source_section": "Power and Battery 6",
        "verification_status": "content_verified"
      },
      "video_playback_time_max": {
        "value": 7,
        "unit": "hours",
        "source_section": "Power and Battery 6",
        "verification_status": "content_verified"
      },
      "fast_charge_to_80_time": {
        "value": 2,
        "unit": "hours",
        "source_section": "Power and Battery 6",
        "verification_status": "content_verified"
      },
      "full_charge_time": {
        "value": 4,
        "unit": "hours",
        "source_section": "Power and Battery 6",
        "verification_status": "content_verified"
      }
    },
    "audio": {
      "frequency_response": {
        "value": "20 Hz–20,000 Hz",
        "unit": null,
        "source_section": "Audio",
        "verification_status": "content_verified"
      },
      "formats_supported": {
        "value": [
          "AAC",
          "Protected AAC",
          "HE-AAC",
          "MP3",
          "MP3 VBR",
          "Audible formats 2, 3, 4, AAX, AAX+",
          "Apple Lossless",
          "AIFF",
          "WAV"
        ],
        "unit": null,
        "source_section": "Audio",
        "verification_status": "content_verified"
      },
      "user_configurable_maximum_volume_limit": {
        "value": true,
        "unit": null,
        "source_section": "Audio",
        "verification_status": "content_verified"
      }
    },
    "connectors": {
      "ports": {
        "value": [
          "30-pin dock connector",
          "3.5 mm stereo headphone jack"
        ],
        "unit": null,
        "source_section": "Input and Output",
        "verification_status": "content_verified"
      },
      "built_in_speaker": {
        "value": true,
        "unit": null,
        "source_section": "Input and Output",
        "verification_status": "content_verified"
      },
      "microphone": {
        "value": true,
        "unit": null,
        "source_section": "Input and Output",
        "verification_status": "content_verified"
      }
    },
    "sensors": {
      "types": {
        "value": [
          "Three-axis gyro",
          "Accelerometer",
          "Ambient light sensor"
        ],
        "unit": null,
        "source_section": "Sensors",
        "verification_status": "content_verified"
      }
    },
    "system_requirements": {
      "mac_os_minimum": {
        "value": "OS X 10.5.8 or later",
        "unit": null,
        "source_section": "System Requirements",
        "verification_status": "content_verified"
      },
      "windows_minimum": {
        "value": "Windows 7, Windows Vista, or Windows XP Home/Professional with Service Pack 3 or later",
        "unit": null,
        "source_section": "System Requirements",
        "verification_status": "content_verified"
      },
      "itunes_minimum": {
        "value": "iTunes 10.5 or later",
        "unit": null,
        "source_section": "System Requirements",
        "verification_status": "content_verified"
      }
    },
    "headphones": {
      "statements": {
        "value": "Earphones Frequency response: 20Hz to 20,000Hz Impedance: 32 ohms",
        "unit": null,
        "source_section": "Headphones",
        "verification_status": "source_transcribed",
        "notes": "Verbatim technical statements transcribed from the archived Apple source; absent headphone measurements are not inferred."
      }
    },
    "video_capabilities": {
      "recording": {
        "value": "Video recording, HD (720p) up to 30 frames per second with audio; still photos (960 by 720) with back camera VGA-quality photos and video up to 30 frames per second with front camera Tap to control exposure for video or stills Photo and video geotagging over Wi-Fi",
        "unit": null,
        "source_section": "Camera, Photos, and Video",
        "verification_status": "source_transcribed",
        "notes": "Verbatim recording/camera capabilities retained from the archived source."
      },
      "playback": {
        "value": "H.264 video up to 720p, 30 frames per second, Main Profile level 3.1 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats MPEG-4 video up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps per channel, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format Support for 1024 by 768 pixels with Apple VGA Adapter; 576p and 480p with Apple Component AV Cable; 576i and 480i with Apple Composite AV Cable (cables sold separately)",
        "unit": null,
        "source_section": "TV and Video",
        "verification_status": "source_transcribed",
        "notes": "Verbatim supported playback/output formats retained from the archived source."
      }
    },
    "environment": {
      "operating_temperature": {
        "value": "32° to 95° F (0° to 35° C)",
        "unit": null,
        "source_section": "Environmental Requirements",
        "verification_status": "source_transcribed"
      },
      "non_operating_temperature": {
        "value": "-4° to 113° F (-20° to 45° C)",
        "unit": null,
        "source_section": "Environmental Requirements",
        "verification_status": "source_transcribed"
      },
      "relative_humidity": {
        "value": "5% to 95% noncondensing",
        "unit": null,
        "source_section": "Environmental Requirements",
        "verification_status": "source_transcribed"
      },
      "operating_altitude": {
        "value": "10,000 feet (3000 m)",
        "unit": null,
        "source_section": "Environmental Requirements",
        "verification_status": "source_transcribed"
      }
    },
    "in_the_box": {
      "items": {
        "value": [
          "iPod touch Earphones Dock Connector to USB Cable Quick Start guide"
        ],
        "unit": null,
        "source_section": "In the Box",
        "verification_status": "source_transcribed"
      }
    },
    "language_support": {
      "source_text": {
        "value": "Language Support English (U.S.), English (UK), Chinese (Simplified), Chinese (Traditional), French, German, Italian, Japanese, Korean, Spanish, Arabic, Catalan, Croatian, Czech, Danish, Dutch, Finnish, Greek, Hebrew, Hungarian, Indonesian, Malay, Norwegian, Polish, Portuguese, Portuguese (Brazil), Romanian, Russian, Slovak, Swedish, Thai, Turkish, Ukrainian, Vietnamese Keyboard Support English (U.S.), English (UK), Chinese - Simplified (Handwriting, Pinyin, Stroke), Chinese - Traditional (Handwriting, Pinyin, Zhuyin, Cangjie, Stroke), French, French (Canadian), French (Switzerland), German (Germany), German (Switzerland), Italian, Japanese (Romaji, Kana), Korean, Spanish, Arabic, Bulgarian, Catalan, Cherokee, Croatian, Czech, Danish, Dutch, Emoji, Estonian, Finnish, Flemish, Greek, Hawaiian, Hebrew, Hindi, Hungarian, Icelandic, Indonesian, Latvian, Lithuanian, Macedonian, Malay, Norwegian, Polish, Portuguese, Portuguese (Brazil), Romanian, Russian, Serbian (Cyrillic/Latin), Slovak, Swedish, Thai, Tibetan, Turkish, Ukrainian, Vietnamese Dictionary Support English (U.S.), English (UK), Chinese (Simplified), Chinese (Traditional), French, French (Canadian), French (Switzerland), German, Italian, Japanese (Romaji, Kana), Korean, Spanish, Arabic, Catalan, Cherokee, Croatian, Czech, Danish, Dutch, Estonian, Finnish, Flemish, Greek, Hawaiian, Hebrew, Hindi, Hungarian, Indonesian, Latvian, Lithuanian, Malay, Norwegian, Polish, Portuguese, Portuguese (Brazil), Romanian, Russian, Slovak, Swedish, Thai, Turkish, Ukrainian, Vietnamese",
        "unit": null,
        "source_section": "Languages",
        "verification_status": "source_transcribed",
        "notes": "Original language-support statements retained without attempting to reinterpret Apple's locale grouping."
      }
    }
  }
}