Warm hand power bank

Emergency power backup for electronic USB-powered devices
Internal lithium-ion battery
Recharge through USB port of any computer
LED indicator lights for charge & checking battery status
Features Lithium Ion battery with 4.8Wh, 1000mAh output Suitable for most devices powered by USB, such as MP3 players, USB-chargeable cell phones and PDAs
Includes USB charging cable
Charger is designed for mobile phones and mini tablets