1. Compatible with iPhone 6s Plus / 6Plus / 7Plus / 8Plus (Not works on iPhone 6s/6/7/8) .
2. 4 LED power indicators show power status of external battery case(25%--50%--75%--100%).
3. ON/OFF Button for Optional Power Output Control, iPhone 6sPlus/6Plus/7Plus/8Plus battery use Grade A+ batteries with CE and RoHS certification. 4. 360° Full protection for your phone’s back, corners & sides from drops and impacts, Not include phone screen.