Wireless Charging Receiver, Bestobal Ultra-Slim Wireless Charging Receiver Card Pad(Up Narrow,Down Width) If your phone model not in list, as second picture. you need buy this charging card for QI wireless charger pad. You also need be know the wireless charging card doesn't independent use. If your phone is built-in batteries. USE METHOD: First directly plug in micro interface of your phone, Then gently curved to back of phone, Final put on the QI-wireless charging pad. If your phone is external batteries. USE METHOD: as FIG3