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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
or half-shell (lower profile) format
microwave the pellets on high for 10 seconds
male 1/8-inch stereo plug
Timer enables averaging for 1
powerful unit is very quiet and extremely efficient
ER-20 Pro Universal-fit Earplugs in-ears or half-shell (lower profile) formatA low cost, high fidelity filtered earplug that closely replicates the ears natural frequency response. Music sounds clear and natural, with levels reduced by 20 dB to protect your hearing. Made by Etymotic Research, the ER 20 uses secure triple flange silicone insertion plugs for a secure seal and comfortable fit. Available in regular and large sizes. Supplied with an airtight aluminum storage case.
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