Xbox Controller Dual Charging Dock

1. It can charge two Xbox controllers simultaneously ; 2. Input: USB  DC 5V 1A; 3. Output: DC 2.8V 350mA*2; 4. Battery capacity: 800mAh; 5. Charging duration: about 4 hours; 6. Accessories:  TYX-0612 Battery Pack*2 ;special rear covers of Xbox One S/X batteries*2 ; rear covers of Xbox Series X batteries*2