product selling point characteristics:
1.built in original polymer lithium battery, providing long standby time for mobile phone;
2. smart appearance design, you can enjoy all functions of the mobile phone without removing the shell;
3. four level display of battery capacity led lamp, flashing indication during charging;
4.intelligent key switch, extending the life of the built-in battery, with higher security;
5. strong and durable engineering materials are used to fully protect the mobile phone. Charging + protection are combined.
6. integrated circuit design can avoid short circuit or over charging or even operation error under extreme conditions;
Multi protection circuit design, safe and reliable;
7.support data synchronization
8. high grade packaging
