Product Features:
Flexiable construction of slide is easily be taken apart from Iphone 4;
Movable construct of connector prevents iphone4 from scratch;
Stylish and light-weight design;
Free selection of on/off charging;
Complete protection for Iphone with circuits;
Isolated protective construct to prevent signal from attenuation.

Products details and specifications:
Standby time: up to 310 hrs.
Talk time: up to 5.2 hrs on 3G; up to 19.8 hrs on 2G;
Internet use: up to 5.2 hrs on 3G;up to 7 hrs on WI-FI;
Audio play: up to 25 hrs;
Video play: up to 7hrs.
Capacity:3.7V/1600mAH(5.92Wh);
Input/Output:DC5.0V/1.0A;
Products Compatibility: Iphone 4.