Size and weight

•    Height: 4.87 inches (123.8 mm)
•    Width: 2.31 inches (58.6 mm)
•    Depth: 0.30 inch (7.6 mm)
•    Weight: 3.95 ounces (112 grams)

Display

•    Retina display
•    4-inch (diagonal) widescreen Multi-Touch Retina display
•    1136-by-640-pixel resolution at 326 ppi
•    800:1 contrast ratio (typical)
•    Fingerprint-resistant oleophobic coating on front
•    Support for display of multiple languages and characters simultaneously

Capacity

•    16GB, 32GB or 64GB flash drive
•    Cellular and wireless
•    World phone
•    GSM model A1428*: UMTS/HSPA+/DC-HSDPA (850, 900, 1900, 2100 MHz); GSM/EDGE (850, 900, 1800, 1900 MHz); LTE (Bands 4 and 17)
•    CDMA model A1429*: CDMA EV-DO Rev. A and Rev. B (800, 1900, 2100 MHz); UMTS/HSPA+/DC-HSDPA (850, 900, 1900, 2100 MHz);
      GSM/EDGE (850, 900, 1800, 1900 MHz); LTE (Bands 1, 3, 5, 13, 25)
•    GSM model A1429*: UMTS/HSPA+/DC-HSDPA (850,900, 1900, 2100 MHz); GSM/EDGE (850, 900, 1800, 1900 MHz); LTE (Bands 1, 3, 5)
•    802.11b/g/n Wi-Fi (802.11n 2.4GHz and 5GHz)
•    Bluetooth 4.0 wireless technology

Camera, photos, and video

•    8-megapixel iSight camera
•    Panorama
•    Video recording, HD (1080p) up to 30 frames per second with audio
•    FaceTime HD camera with 1.2MP photos and HD video (720p) up to 30 frames per second
•    Autofocus
•    Tap to focus video or still images
•    Face detection in video or still images
•    LED Flash
•    Improved video stabilisation
•    Photo and video geotagging

Power and battery

•    Built-in rechargeable lithium-ion battery
•    Charging via USB to computer system or power adapter
•    Talk time: Up to 8 hours on 3G
•    Standby time: Up to 225 hours
•    Internet use: Up to 8 hours on 3G / Up to 8 hours on LTE / Up to 10 hours on Wi-Fi
•    Video playback: Up to 10 hours
•    Audio playback: Up to 40 hours

Audio playback

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

TV & Video

•    AirPlay Mirroring to Apple TV support at 720p
•    Video mirroring and video out support: Up to 1080p through Lightning Digital AV Adapter and Lightning to VGA Adapter (adapters sold seprately)
•    Video formats supported:
      H.264 video up to 1080p, 30 frames per second, High Profile level 4.1 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

Location

•    Assisted GPS and GLONASS
•    Digital compass
•    Wi-Fi
•    Cellular

External buttons and connectors

•    Three-axis gyro
•    Accelerometer
•    Proximity sensor
•    Ambient light sensor

Viewable document types

•    .jpg, .tiff, .gif (images); .doc and .docx (Microsoft Word); .htm and .html (web pages); .key (Keynote); .numbers (Numbers);
      .pages (Pages); .pdf (Preview and Adobe Acrobat); .ppt and .pptx (Microsoft PowerPoint); .txt (text); .rtf (rich text format);
      .vcf (contact information); .xls and .xlsx (Microsoft Excel)

Headphones

•    Apple EarPods with Remote and Mic
•    Storage and travel case