Case Kingdom 5000mAh External Power Bank Charger Backup Battery PU Leather Case Cover For Sony Xperia Z Ultra XL39h With a full body protection design, battery case is very easy to install and use Provides optimal protection for your phone while maintaining a very slim profile and light weight,Easy Access to all Functions,Controls,Speakers and Cameras LED power indicator for battery power level,on-off power to control when to use the extra power Built in 5000 mA high capacity battery for longer battery life Take with wallet case function,can put in wallet and Credit card inside,The front cover is made of premium leather material, folio style, provide maximum protection for your cell phone screen