The Sennheiser RS 165 is a good complement to your home entertainment system. This digital wireless headphone system delivers sound quality and freedom from wires. The ergonomic around ear, closed back design reduces background noise while providing a comfortable fit. Sennheiser recommends this headphone for anyone wanting to enjoy music, movies or tv programs without wires or making a sound. Digital wireless audio transmission -delivers sound quality over its 30 m operating range. Enjoy the freedom of moving around without messy headphone wires. Leatherette ear pieces. Adjustable headband. Bass control. 30m range. Rechargeable battery (included) . Model number: 505562. Manufacturers 2 year guarantee.