Indulge in your music with the Sennheiser HDR-120 wireless stereo headphone system in black and tan. , 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. Note Speaker cord has insulation flaking off, but does not affect performance.