Griffin USB Reserve Power Compact Battery Pack for most USB devices including iPhone and iPod

* Retractable Type A USB plug works with most chargers, including the USB port in your computer
* Type A USB socket accepts most USB devices
* USB plug retracts — slip it into your bag or backpack and take it with you
* Recharges the internal battery of your USB device when you're on the go
* Long-lived 950 mAh lithium-ion battery
* LED battery status lights