Work with: iPhone 4
Built-in Battery Type: Lithium-ion
Capacities: 2300mAh
Input Voltage: 5V
Input Current: 500mA
Output Voltage: 5V
Output Current: 500mA

Standby Time: Up to 400 hours
Conversation Time:(3GNetwork) over 6.5 hours
(2GNetework) over 13.5 hours
Internet Time: (3Gnetwork) over 7 hours/Wi-Fi over 8 hours
Music display: Up to 30 hours
Video display: Up to 8 hours
Charging time: 4-5 hours
Size: 125.4 x 62 x 16.8mm
Color: Black

* Battery+protecting jacket, two-in-one, prefectly solved the signal problem;
With data transmission, connect to PC, in step with iTunes;
With intelligent switches, extending built-in battery life, nore safe;
Accurately Show the electric quantity, Low battery, LED Light flicker remind;
All-inclusive design, perfectly match to iPhone 4.