Technical Specifications (continue)

nput and output

• Dock connector
• 3.5-mm stereo headphone jack

External buttons and controls

• Hold switch
• Click Wheel

Battery and power

• Built-in rechargeable lithium ion battery
• Playback time
  • Music playback time: Up to 36 hours when fully charged
  • Video playback time: Up to 6 hours when fully charged
  
• Charging via USB to computer system or power adapter (sold separately)
  • Fast-charge time: about 2 hours (charges up to 80% of battery capacity)
  • Full-charge time: about 4 hours

Mac system requirements

• Mac computer with USB 2.0 port
• Mac OS X v10.4.11 or later
• iTunes 8 or later⁷

Windows system requirements

• PC with USB 2.0 port
• Windows Vista or Windows XP Home or Professional with Service Pack 3 or later
• iTunes 8 or later 7

Environmental status report next post.