4针线
This USB 2.0 cable connects your iPhone or iPod — directly or through a Dock — to your computers USB port for efficient syncing and charging or to the Apple USB Power Adapter for convenient charging from a wall outlet.
This accessory is compatible with the following:
iPod 5th generation (video)
iPod classic
iPod nano 1st generation
iPod nano 2nd generation (aluminum)
iPod nano 3rd generation (video)
iPod nano 4th generation (video)
iPod touch 1st generation
iPod touch 2nd generation
iPhone
iPhone 3G