01)  Emergency charger ,
02)  Can charge most models of mobile phones(iphone,Samsung,Nokia etc smart phones);
03)  Can charge MP3, MP4, SONY PSP and digital camera;
04)  Can charge rechargeable batteries via USB port or wall socket.
05) Can be used anytime, anywhere;
06)  Only needs 2 pieces of any type AA battery;
07)  Input : 5V DC, 500mAh;
08)  Output: Output: 5.5V ±0.2V DC, 400-430mAh(max);
09)  Battery energy transform efficiency: 90%;
10)  Working Time: 90 hours standby time or 3.5 hours talking time;
11)  Dimensions: 85 x 33 x 18mm
12)  Weight: 23 grams.