Soft silicone material is comfortable and reusable

EARasers Inserting Instructions -- Check out the video and see the EARasers practically disappear for yourself

Calmer features a unique technology that reduces distortion in our ears and calms your environment in a subtle

Volume in the Sync Radio when using external sources is not limited and is set at the external device

Etymotic ER20XS High Fidelity Earplugs ASNZ_Yes Soft silicone material is comfortableEtymotic ER20XS High Fidelity Earplugs are the highly awaited next generation of Etymotic's industry leading ETYPlugs High Fidelity Earplugs for musicians. Etymotic ER20XS High Fidelity Earplugs feature patented Hi Fi technology that lets you hear all frequencies clearly, just as if you had no plugs in, but at a lower volume level. Features New, discreet design Performance matches Etymotic's original high fidelity earplugs developed for musicians