Etymotic ER20XS High Fidelity Earplugs Size:Standard (Clear) - Removable lithium-ion battery

- Removable lithium-ion battery

but we know you are out there

That's why this earmuff affords you the flexibility to safely enjoy your pastime without breaking the bank

Ear Seals are built for long lasting performance

Etymotic ER20XS High Fidelity Earplugs Size:Standard (Clear) - Removable lithium-ion batteryEtymotic 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