This iPod Touch Case & Battery Pack is a combination leather case and battery back up for your iPod Touch. This case extends the audio and video performance of your iPod so you can enjoy tunes and videos even longer ? up to 9 extra hours of video playback and 37 extra hours of audio playback.2-in-1 protective case and battery pack2200mAh Li-ion batteryRechargeable up to 500 timesNo connector cables ? iPod Touch docks directly with caseOn/off switch to conserve battery lifePower case is recharged using USB cable or iPhone AC adapterBlack leatherData transfer portiPod not included.