1. The charger case is not only a portable charger, but also a protection for cellphone from scratches and other daily wear and tear. Internal high quality chips also protect your smart phone from overheating, short-circuiting and over charging.
2. Featuring with the LED battery level indicator, this battery case could let you know exactly the power left (0--25%--50%--75%--100%); besides, you could switch on/off your iPhone 8/7 battery case with the power switch easily.
3. With single micro SIM card slot, so that iPhone achieve dual sim dual standby.
4. Please confirm your phone support BT V4.0 and above system iOS 7.0 and above. And your iPhone can login Apple Pay, with network (GPRS, 3G, 4G, WiFi) and your iPhone ID.
5. Before using, you need to login Apple Pay download "morecard" on your iPhone.