1) Charging Wii Remote by electromagnetic induction, No need to remove silicone case     2) Support to charge Wii Remote directly or battery pack alone    
3) Allow to Charge Wii Remote with or without MOTION PLUS    
4) With the circuit protection to avoid over-voltage, over-current, over charging and over discharging   
5) The capacity of battery pack: 700mAH    
6) Includes   Charging board with USB cord X 1, Battery pack X 2