Belkin Portable Power Pack 2000 - Mobile Charger / Travel Charger for iPad, iPhone, Kindle, Tablets, and Smartphones Up to 5-20 Hours of additionaltalk time. Up to 20-100 Hours of additionalmusic playback. Over one time fully charging for MP3,Bluetooth headset, mobile phone. Supports cell phone, smartphone,MP3, digi-cam, gaming, and Bluetoothheadset