Simultaneous charging of up to two Xbox Series X/S or Xbox One wireless controllers. Safe storage for the Xbox gamepads when not in use. The charger is powered via the USB port of the Xbox console. It is also possible to connect the device to any USB power source (e.g., an external power supply, not included). The green LEDs (charging status indicator) light up when the controllers are fully charged. Simply and quickly connect the Xbox wireless controllers using the USB-C ports with one click.