iPhone 3G Technical Spec III

Connectors and input/output

• 30-pin dock connector


• 3.5-mm stereo headphone minijack


• Built-in speaker


• Microphone


• SIM card tray

External buttons and controls

• Sleep/wake


• Ring/silent


• Volume up/down


• Home

Sensors

• Accelerometer


• Proximity sensor


• Ambient light sensor

Power and battery

• Built-in rechargeable lithium-ion battery³


• Charging via USB to computer system or power adapter


• 
  

  
  

  Talk time:⁴

  
  

  Up to 5 hours on 3G

  
  

  Up to 10 hours on 2G

  
  

  
  


• Standby time: Up to 300 hours⁵


• 
  

  
  

  Internet use:

  
  

  Up to 5 hours on 3G⁶

  
  

  Up to 6 hours on Wi-Fi⁷

  
  

  
  


• Video playback: Up to 7 hours⁸


• Audio playback: Up to 24 hours⁹

Mac system requirements

• Mac computer with USB 2.0 port


• Mac OS X v10.4.10 or later


• iTunes 7.7 or later

Windows system requirements

• PC with USB 2.0 port


• Windows Vista; or Windows XP Home or Professional with Service Pack 2 or later


• iTunes 7.7 or later

Environmental requirements

• 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)