Parameter
Capacity：850mAh
Charging time：≈1.5h
Discharging time（to iPhone）：≈1.5h
Power of amplifier speaker：≤1.5W
Voltage input：4.8-5.5V 
Current input：500-800mA
Voltage output：5.0-5.5V 
Current output：100-600mA 
Quiescent power drain：＜50μA

Features
* Ultrathin and shuttle shaped appearance:Slim and beautiful, fitting perfectly well   with iPhone.
* "Plug and Use” structure:Easy and convenient to connect and disconnect.
* Eco-friendly silica gel processed:It protects iPhone effectively, while at the same   time, holding it in hand is very soft and comfortable. 
* Whole set without screw holes:No screw holes could be seen from exterior, in    perfect accordance with iPhone in style.
* Wide-angle lens attached:etter performance in capturing a view.