The Bose ADAPTiQ Audio Calibration Headset is designed specifically for the Soundbar 500 and 700 systems. It allows for 1:1 connection split/duplication and is in a sleek black color. The headset is a Bose ADAPTiQ unit with a 3.5mm male connector, making it compatible with the specified soundbars. The product does not come with a charger included and is made in China. The calibration headset provides accurate sound calibration for your soundbar system for an enhanced audio experience.