Easy to use: Plug the receiver pad coil into the phone's micro-USB, then place the receiver pad coil over the back cover. Effortlessly charge your phone for wireless convenience. What you have to do is connect the wireless charging receiver module to the phone battery or inside the phone case. Compatibility: Works with most standard wireless charging pads (not included). Easy assembly and disassembly to share with your friends and family. No interference with other functions of the Smartphone. Portable: Ultra-thin and design, easy to install. Easily fits under the back of the phone, placed directly over the battery. No need to change the phone cover and say no wholesale. It is really a great choice . FREE CABLE: Loaded and ready to use. Tangled and incompatible power cords disappear with wireless power charging technology. Simply place your phone (you have already inserted the receiver) on a compatible wireless charging pad (not included) and start charging. Product Details: Name: wireless charging receiver Input and output: DC5V-2A / 5V-1.2A Receiving distance: 2-6mm Charging current: 2000mA Transmission power: 10W Energy Conversion: 85% Charging mode: Induction mode Colour:Black Material:PU + Bronze head Size:8.8*4.8*4.8cm Package Contents: 1*wireless receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.