Motion control adapter for Xbox One, offering double the battery power. - Model Name: XONE ADAPTER EXTRA - Brand: Brook - Function: Motion control - Battery Capacity: 2x - Compatible Devices: Xbox One Thank you for viewing. By connecting this product to your Xbox One controller, you can wirelessly play games on Switch, PS4, Xbox One, and PC. - Supports motion control via gyro sensor. - PS4 audio can also be transmitted via the Xbox One controller. It can also be used as a battery pack, so you can charge and use it while playing on your Xbox One.