Safrone 10000mAh Battery Case External Power Bank Charging Cover For iPhone 6 6s 4.7'' (Black) Brand new and high capacity 10000mAh battery case for iPhone 6 6s 4 colors for options:Black, white, gold, rose gold Combines rechargeable back up battery with ultimate protection.No signal interference. Battery case cover have output USB port, it can charge for other device. What you get: 1*battery case+ 1* usb charging cable