Up to two official Xbox Series X or Series S controllers can be charged and stored using the Sparkfox Dual Charging Station. To help you return to the game more quickly, LEDs on the front of the charging station show when the controllers are fully charged. Specifics Maintain controllers charged and operational. includes two easily inserted, covered rechargeable batteries. The front of the device has a clear LED charge indication. Only compatible with official Xbox Series X/S controllers, it connects directly to the console via USB. contents of the package One USB power cable (type-A or type-C), one 1100 mAh battery cell, two battery cover doors, two user guides, and a charging station