CHOETECH Note 4 QI Wireless Charger for Galaxy Note 4 Wireless Charger Pad and Wireless Receiver Kit Included QI standard wireless charger and receiver kit for Note 4(Charging pad will also work for other QI enabled device,like Nexus 6 and LG G3) Original adapter or 1.5 to 2.1 A adapter is required to get the charging pad works properly Indicator lights will do initial blinks when it is connected to the power source, it will turn solid blue when the phone is getting charged Protective cases is suggested to be removed off during charging, it might affect the charging efficiency The wireless charger pad is compatible with Samsung wireless charging cover for Galaxy Note 4