Size and weight

Mobile and wireless

• UMTS/HSDPA/HSUPA (850, 900, 1900, 2100MHz)
• GSM/EDGE (850, 900, 1800, 1900MHz)
• Wi-Fi 802.11b/g/n (802.11n 2.4GHz only)
• Bluetooth 2.1 + EDR wireless technology

Location

• Assisted GPS
• Digital compass
• Wi-Fi
• Mobile

Power and battery

• Built-in rechargeable lithium-ion battery
• Charging via USB to computer system or power adapter
• Talk time:up to 7 hours on 3Gup to 14 hours on 2G
• Standby time: up to 300 hours

Environmental requirements

• Operating temperature: 0° to 35° C
  (32° to 95° F)
• Non-operating temperature: -20° to 45° C
  (-4° to 113° F)
• Relative humidity: 5% to 95% non-condensing
• Maximum operating altitude: 3000m (10,000 feet)

Display

• Retina display
• 3.5-inch (diagonal) widescreen Multi-Touch display
• 960x640-pixel resolution at 326 ppi
• 800:1 contrast ratio (typical)
• Fingerprint-resistant oleophobic coating front and back
• Support for display of multiple languages and characters simultaneously

Audio playback

• 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
  

TV and video

• Video formats supported: H.264 video up to 720p, 30 frames per second, Main Profile level 3.1 with AAC-LC audio up to 160Kbps, 48kHz, stereo audio in .m4v, .mp4 and .mov file formats; MPEG-4 video, up to 2.5Mbps, 640x480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160Kbps, 48kHz, stereo audio in .m4v, .mp4 and .mov file formats; Motion JPEG (M-JPEG) up to 35Mbps, 1280x720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format
• Support for 1024x768 pixels with Dock Connector to VGA Adapter; 576p and 480p with Apple Component AV Cable; 576i and 480i with Apple Composite AV Cable

In the box

• iPhone 4
• Stereo Headset with mic
• Dock Connector to USB Cable
• USB Power Adapter
• Documentation