US Compass Ultrathin design QI Wireless Charging Receiver for Samsung Galaxy Note4 N9100 Black Wireless Charging Receiver is Specially Designed for Samsung Galaxy Note4 N9100. Ultrathin Design,Compact and light weight without Increasing additional weight of the Samsung Galaxy Note4 N9100 Easy to Install, Convenient to Use The receiver can be attached to the battery all the time It Works well with any Qi-enabled Charger,and It would not Interrupt the normal use of the Note 4.