Iphone Case With Functions Of Power Source And Stereo Speaker

We are instrumental in providing to our valuable customers excellent quality iPhone Case with Functions of Power Source and Stereo Speaker which is available with following Features:
1) Fashionable and unique design with PVC+ABS piano paint
2) High stereo speaker achieves a perfect voice with continuously charge for iPhone 4G/4S
3) Superb charging performance recharges your iPhone 4G/4S in 100% capacity within 80 mins
4) The total electric quantity can reach 3200mAh if fully charged

Parameters:
Talk time: 840min
Standby time: 420H
Output current: 700mA(0.7A)
Input: DC5VA 0.2V
Thickness: 9mm

Button (+a a a a a ~)
+ : Volume +
a : Volume -
a : Switch to Speaker
~i press for 3 secondsi indicator light will blink from let to light, means enter into charge mode; press for 3 seconds again, indicator light will blink from right to left, means charge disconnect; press this button can show producta s battery capacity.