Sennheiser RS 5200Enjoy the freedom of wireless listening with Sennheiser's in ear headphones. Designed for comfort and clarity, these earbuds deliver immersive stereo sound with the option to go wireless or wired using the detachable cable. With an impressive wireless range of up to 229. 7 feet and a wide frequency response, you'll experience rich lows, clear vocals, and seamless connectivity wherever you are. Features Wireless or wired listening with detachable cable