Kinps for Apple Iphone 5 2200mah External Rechargeable Spare Backup Extended Battery Charger Pack Case Cover Advance 2200mAh Back up battery for APPLE iPhone 5/5S(IOS 8 supported) Standby Time: Up to 210 & 390hrs Audio Playback : Up to 28hrs Talk Time: Up to 8hrs Two color to choose:White,Black