ITEM NAME:10W Qi Fast Charging Wireless Charger PCBA Circuit With Dual 2 Green Coils Z6W0 Please add this item to your watch list so that you can receive price update about it via email. Here is how: Click the Add to Watch list button under the Place.Charging power: Max 10W. Support 5w, 7.5w, 10w. Charging Efficiency: 75%. Color: Green, As the picture shows. Here is how The Transmission Distance: 2-8mm.