START Qi Wireless Charging Charger Pad for Samsung Galaxy S7 / S7 Edge Smartphone (White) Wireless charging standard: Qi standard. High power, quick-acting charging Short-circuit protection of the receiver to avoid overcharge & overheating, security and reliable Ultrathin, lightweight and portable, good for using at home, office, public area, etcNote: Please make sure the hungry device is put in the magnetic inductive center and not askew when wirelessly charging Power: 10W Wireless distance: 8mm Compatible for LG Nexus 4 5 / Nokia Lumia 920 820 / HTC 8X / Samsung Galaxy S6 / S6 Edge / S6 Edge Plus / Samsung NOTE 5 /Samsung Galaxy S7 / S7 Edge and Other Qi compliant device Input: 5V 2000mA Output: 5V 1000mA  Frequency: 100-200kHz Power transform efficiency: &gt;70% Size: 100*20mm (Diameter) We have selected the fastest mail for you! About us:if you have any question,you can contact us,then we will solve it for you .More surprise product sold by "START"Please pay more attention to our company-www.amazon.com/shops/start_wuvi