Indulge in your music with the Sennheiser HDR-120 wireless stereo headphone system in tan. With Single Number of Earpieces, the headphone provides a comfortable, adjustable fit to suit your preference. The adjustable headband ensures that you can wear the headphones for long hours without fatigue. It features a Rechargeable Battery that allows you to use the headphones for up to 20 hours. The Built-In On/Off Switch makes it easy to turn your headphones on and off. It uses RF Wireless Technology for seamless connectivity with your audio devices. It has a Wireless, RCA, 3.5mm (1/8in) connectivity to offer versatility with your audio devices. The headphones come with stereo sound that lets you enjoy music in its true essence.