SERVISE4U white 4200mah detachable External Rechargeable Battery Charger Backup Case Cover For Iphone 5 /5c/5s Capacity: 4200mAh External Battery Backup Charger Case Pack Power Bank for iPhone 5 5s 5c Easy Operate: Just Need To Turn On The Battery Sase To Start Charging Your Phone. 2 In 1: Charging and protecting , Suitable for traveling and outdoor activities. Indicating Capacity: LED charge status indicator show the capacity of battery COLOR: Black