Handheld mode offers a complete controller experience. Can be inserted into Nintendo Switch Dock while connected. Customize functions for Left & Right rear buttons for better gameplay. Authorized by Nintendo. Enhanced grip, buttons, triggers, analog sticks, and d-pad. Can assign rear triggers, Turbo function, and other features. Transparent Black design. Can be inserted into Nintendo Switch Dock while connected. Customize functions for Left & Right rear buttons for better gameplay. Authorized by Nintendo.