Description: 
1.For Nintendo Switch Charging Grip 
2.The Charging Grip Will charge the batteries of the Joy-Con pads;there's a USB-C port on bottom Of the unit. While you won't need to buy the Charging Grip in order to keep your Joy-Con controllers powered 一 they'll charge whenever they're attached to the N-Switch unit 一 there does not appear to be a way to plug the Joy-Conpads directly into USB power or a wall outlet. 
 
  Parameter:
1.Model: HS-SW322
2.Product Color: Black 
3.Product material: ABS 
4.Battery capacity: 1000MAH 
5.Product size :225*87*26 mm