Aweek Charge Controller&Handle Grip Case for 3DS LL XL Host Rechargeable Protective Handle Grip with Working and Charging Indicator+USB Cable This product is designed specifically for 3DSLL host,easy to use and very convenient,and accord with ergonomic.It makes more comfortable and relax while using controller to play games. This charge controller can prolong host's use time effectively,and enhance its playability. This product is used comfortably and firmly as protecive cover when you put the 3DSLL console in it. Hold this prodcut,and operate the 3DSLL console,it can relieve fatigue effectively when playing games. When put handgirp into 3DSLL host,short press switch to start and charge for host.If the host doesn't need chrge,just long press switch for 3 seconds and turn off power output on controller. No affection for the function for power,earphone,cassette etc of 3DSLL console when using this product.