Etymotic ER4 XR Noise-Isolating Earphones with Etymotion Wireless Bluetooth Cable final sale The comfortable ear pads and

The comfortable ear pads and the special headband make it possible to work and listen stress-free for long periods of time

5mm headphone output) 320mW(16Ω)

The result of our effort is a durable

but rather sound aimed at greater universality

Etymotic ER4 XR Noise-Isolating Earphones with Etymotion Wireless Bluetooth Cable final sale The comfortable ear pads andOver 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