Simultaneously charge up to two XBOX Series X / S or Xbox One Wireless Controllers. Safe storage of the XBOX Gamepads when not in use. The charger is practically always powered via the USB port of the XBOX console. It is also possible to connect it to any USB device for power supply (e.g. an external power supply unit, not... included). The green LEDs (charge level indicator) light up when the controllers are fully charged. Connect the XBOX Wireless controllers quickly and easily to the USB-C ports with one click.