Klipsch R6 In-Ear Bluetooth Headphones - Black (1061151)(Certified Refurbished) The Reference R6 in-ear monitors are engineered for pure performance and designed to be the best sounding most comfortable headphones on the planet Dual Magnet, Dynamic Moving Coil Micro Speaker They fit better. They feel better. They sound better...And only Klipsch has them! The R6's sleek design benefits from aluminum and elastomer construction which makes it lightweight, durable and comfortable These in-ear headphones are truly the embodiment of legendary Klipsch sound