Stereo

Etymotic's 5th generation of high-fidelity in-ear earphones delivers a near-perfect music experience, even in high surrounding- noise conditions. HF5 earphones use Etymotic's acclaimed tuned acoustic-insert technology for the clearest, truest sound you can find. Research confirms that users choose lower (safer) levels when earphones seal the ear canal. Etymotic in-ear earphones are the highest-rated product on the market for passive noise- isolation. Etymotic's in-ear earphones are the highest-rated product on the market for passive noise-isolation. Avoid using headphones with the volume turned up for an extended period of time, doing so can damage your hearing. It is advisable to keep the volume level moderate at all times. For your own safety please do not use whilst cycling or driving.