◆ Designed for iphone 6/7/8 (4.7″), built-in original polymer lithium battery, for the phone to provide extended standby time;
◆ Clever appearance design, do not have to remove the shell to enjoy all the features of the phone;
◆ Battery capacity LED lights four gear display, charging work flashing instructions;
◆ Intelligent key switch to extend the built-in battery life, higher security;
◆ Use of durable engineering materials, comprehensive protection of mobile phones, charging + protection of combo;
◆ Integrated circuit design, you can avoid short circuit or overtime charging or even extreme conditions of operation errors;
◆ Multiple protection circuit design, safe and reliable;
◆ Support data synchronization;
◆ High-grade crystal box packaging;