Sell 2200mAh 1 month mobile phone battery sticks

2200mAh 1 month mobile phone battery sticks
Finger external battery Stick, as small as a thumb, 2200 mAh, 5V output, it supplies power for regular mobile phone 1 month standing by, MP3 playing 15 hours, SONY PSP running 6 hours, it is an ideal accessory for traveling persons, game players and others