for 6 plus 6s plus power case KUNER 2400mAh Rechargeable External Battery Backup Case Power Bank for Apple iPhone 6 plus 6S plus (white) Perfectly fits for your devices. easy to take ,very think , really light . instead of take a heavy power bank . Selecting and using the top-level aluminum , Uttermost reduce the effrect of the signal. Style--Luxury & Fashion & Durable. It's not only a case cover ,but also a 2400mAh power bank