Noise Cancelling earplug (Anti-noise earplug), Instant Hot Pack
Type: NC-2
Spec.: R: 1.2cm, H:2.4.cm
Weight:2G
Explain:
This earplug is made of slow rebound sponge; it can reduce the interference caused by noise. It can be used in many noisy areas, such as airport, mine, factory workshop, etc. It's a good choice for the elderly and insomnia.
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