... phone Yoobao YB-621 Specification for YB-621Device Type:power bank, Model:YB621Capacity: 4400mAhWeight:127gVolume:57*75*23mmInput: 5V ... (MAX)Standard: GB 4706.18-2005The features for the power bank YB-621 Compatible with iPhone, iPad, ipod, Samsung, ... devices anywherePortable, rechargeable, and universal power pack,Elegant design and user friendly Portable power bank 4400mAh 5V 1A mobile phone Yoobao ...