Pecification: 

1. Battery type: li-po

2. Capacity: 3.7v / 50000mah

3. Input: dc 5v/1000ma (max)

4. Output: usb1: 5v 1000ma

                Usb2: 5v 2100ma

5. Weight - 400g

6. Size: 175mm*70mm*20mmfit for: suitable for products which need to charge with usb, such us apple, nokia, samsung, iphone4, iphone 3g, iphone 3gs, (if you have a connector for iphone 5g, it can fit 5g) ipod, ipod classic, ipod touch, ipod touch 2g, ipod nano, psp, mp3, mp4, psp, gps, digital camera, bluetooth, etc. As for other special mobile phones or other devices, you can also connect the portable power bank by using your usb data cable 

 Package: 1x 30000mah power bank 1x usb spring cable. 5 x mobile phone connectors.