This 4000mAh rechargeable Li-polymer battery case provides 100% extra battery life to your iPhone, ideal for daily use business trips and travelling
Amazing sync-through technology that you can simultaneously charge your phone and the battery case, Conveniently sync your phone to your Macbook, PC or laptop without having to take the battery case off. And it uses a lightning input port to enable recharging and data transfer.
Raised sides and hard-shell design, offering 360°edge coverage and collision absorption, protects your phone from scratches and other daily wears and tear, yet small and convenient enough to fit easily in your hand or pocket. In addition, the top piece built in with magnet helps easier installation and avoids missing(NOTE: not protect your phone screen)
Featuring with 4 LED battery level indicators, you can know exactly the power level of this phone battery case through the LED Light. One LED light means 25% power (0--25%--50%--75%--100%). With ergonomic hand-held design, the phone charging case offers you a better grip experience
Connect your phone lightning cable to battery case, and connect the other port of this cable to power adapter to charge the case. When charging, the LED indicators are lighting. When full, the LED indicators will stop shining.