Main Function
Passed Apple’s certification, meet the hardware testing criteria of Apple company.
Unique power supply design, iPhone 4 can use the power directly, avoid repeatedly charging in internal battery, effectively prolong the life of internal battery.
Ultra thin protective frame, 15mm, thinnest in the world
Battery and case, two in one, enhance the communication signal of iPhone 4
Function of date transmission, connect PC and iTunes.
Smart switch, prolong the life of internal battery, more safety.
Anti-slip and smooth shell.