Etymotic Research ER20XS-SMF-P High-Fidelity Ohrstöpsel im Polybeutel Paket, 1 Paar
ER20XS provides 20-dB equal sound reduction across the spectrum of hearing. Includes: 1 pair Standard Fit ER20XS High-Fidelity Earplugs, easy-to-install neck cord, and a carrying case that easily fits in your pocket or purse.