Etymotic ER4 XR Noise-Isolating Earphones with Etymotion Wireless Bluetooth Cable closed-back especially when hanging them on

especially when hanging them on your neck with the swivel angle fixed forward at 45 degrees

they deliver an exceptional listening experience

5 Tesla (15

Tuned to the HE400 series

both outer and inner edges of the “ring” are secured to the drive unit

Etymotic ER4 XR Noise-Isolating Earphones with Etymotion Wireless Bluetooth Cable closed-back especially when hanging them onOver 30 years ago, Etymotic invented noise isolating, in ear earphones. Etymotics original design, developed for auditory research and hearing testing, used balancedarmature receivers and established these speakers as the true reference standard for high definition, in ear earphones. Paired with the new Etymotion Wireless Bluetooth cable these earphones are unstoppable and sound better than anything else on the market today. With built in