Harmony 900 RF Receiver Blaster QI WIRELESS RECEIVER for IPHONE 6/6S/6 Plus/ 7/ 7 Plus/ SE/ 5/5S FAST CHARGE WIRELESS RECEIVER - 5V/1000 mAh provide wireless charge which is much the fastest you can get from Qi wireless charging on the market. (use the fast charging wall charger up to 2A with your Qi charger) IPHONE QI RECEIVER. QI compatible wireless charging pad is required. Just place device on the pad and you are free to enjoy your wireless and limitless charging experience now! 0.04 IN ULTRA SLIM design, compact and lightweight. Easy installation it into a case. It does charge through a slim case. Steel connector makes it durable and smooth to plug-in and out WIRELESS RECEIVER IPHONE - Please don't use any metallic or thick cases as the wireless signal can't get through metal.