Ultra Thin with Ti Efficient Ic,wireless Charger Receiver for 7100 or for Samsung Note 2 Wireless Charger Receiver,qi Standard for samsung note 2 (N7100), SUPPORT QI standard,support most wireless charger Easy using ,only place it upon battery, keep ports contacting Safe, high efficient , based on US TI power manage IC. Only for Samsung 7100 mobile phone to extend wireless charger.