Specifications:<br> Compatibility: for Samsung Galaxy Note4 9100<br> Color: Black<br> Product standard: Qi<br> Input: DC 5V<br> Output: 800mA<br> Power distance: 4~8mm<br> Size: Approx. 8 * 5cm \/ 3.2 * 2in<br> Weight: 5g \/ 0.1oz  <br>   How to use it:   Step 1: Open the back cover of your phone;   Step 2: Stick the receiver card to the mobile phone's battery and the protuberant touch points must touch the recesses next to the battery;   Step 3: Close the back cover;   Step 4: Place the mobile phone onto the Qi wireless charging pad (the phone and the Qi wireless charging pad are not included).     Note: The receiver needs to work with the Qi wireless charging pad   <br> Package List:<br> 1 x Qi Wireless Charging Receiver for Samsung Galaxy Note 4 N9100