* External rechargeable Li-ion battery with high capacity (2800 mAh) to extend the playtime of your iPod up to 4 times

* Compatible with the original USB cable of your iPod

* Charged via any USB port

* Fully charged within 5 hours; equipped with integrated battery power tester with 4 clear charge indicators

* Can also be used for other devices with a compatible 5V/500mA connection

* The external battery and the battery of your iPod can be charged at the same time (parallel charging)

* Can also be used to fully charge the empty battery of your iPod on the road