... Yoobao Portable Power Bank Battery 10400mAh YB641 Pro super power bank for mobile/tablets/MP4 1, Suitable ... etc.2, Portable, rechargeable, and universal power pack 3, Keep talking and keep playing longer 4, ... mobile devices anywhere 8, Flexible recharging of power pack via notebook USB port or wall adapter with ... , Size:102x54.5x41.5mm Device type: External battery pack Input: 5V DC, 1,000mA Output: 5.3V ...