Specifications: 1.Using for most smart phones Out put international Standard USB2.0 interface easy to use， could charge with cell phone， PSP Games， PDA， MP3， MP4 Player，PSP and other digital products for anytime anywhere. 2.Input: DC5.0V/1A3.Output: DC5.0V/1A; DC5.0V/2.1A4.Capacity;50000mAh5.output capacity:1A This Universal External power bank is advertised to be compatible with for iPad，for iPhone，samsung mobile， samsung Galaxy Tap，for HTC mobile，for motorola mobile，for LGmobile，for Nokia mobile， MP3/4 player，for SONY PSP player and GPS etc. color:silver.golden.blue.rose red1.Please notice us what you need color， otherwise we will randomly send， thank youpackage include1 x power bank;50000mAh4 x connectors1 x usb cable1 x retail box