Phone Cover iPhone 7 Smart Battery Case, Black:The original Charger Case for Apple iPhone 7 extends battery life and protects the body against damage from everyday carry. With the deployment of the sleeve is extended talk time up to 26 hours or up to 22 hours of surfing the Internet on LTE.This is a genuine accessory for the Apple iPhone 7 which extends battery life and protects the body against damage from everyday use. When the sleeve is connected to the phone the talk time is extended by up to 26hrs or up to 22hrs of surfing the Internet on LTE. It is also possible to charge the phones battery whilst using the phone. The micro fibre inner lining helps to protect the phone whilst having a pleasant, silky outer silicone surface.Key featuresProtects and extends the life of your phoneProvides up to 26 hours of talk time or up to 22 hours of surfing the Internet on LTESmooth lining for better protectionTouch-friendly surfaceThe status is displayed on the locked screen and in the notification centreSupport for Lightning connector accessories made for phonesDirectly from the phone manufacturerThe device intelligently communicates with the iPhone, and as a result, shows the battery status on both the locked screen and in the notification centre. Youll be able to see exactly how much longer you can use your phone for. The advantage of it being a genuine accessory is that it also supports accessories that are connected using the Lightning connector, such as an iPhone Lightning Dock.