Wireless Receiver Card designed for the Samsung Galaxy S5. Add wireless charging capabilities to your Galaxy Device quickly and easily. Works with All WPC Qi Wireless Charger Dock / Wireless Charging Pads. Charging distance: 3-7mm. Output: DC5V/1000mAmA Charging Receiver Card Size: Approx. 61.5 x 36mm Electricity-transformation: More than 70% Will not interfere with any other functions of your Samsung smartphone.