KING JIM Digital Earplugs White

[Features] ● Cuts only noise while hearing voices. ●The small microphone built into the earphone picks up the surrounding environmental noise and emits the opposite phase sound to cancel the noise.

[Applications] ● When studying ● When traveling by public transportation

[Specifications] ●Code: Yes (850mm) ●Size: Free ●NRR value (dB): 20

[Specification 2] ● Noise cancellation level: Maximum -20 dB ● Power supply: 1 AAA alkaline battery (sold separately) ● Battery life: Approx. 100 hours when using alkaline batteries (varies depending on usage conditions)

[Material/Finish] Earplug body: ABS resin

[Set Contents/Accessories] ●Pouch ●Earpieces (XS, S, M, L)

[Caution] ● Examples of sounds that cannot be expected to be effective: Very loud noises such as factory sites. High-pitched sounds such as metallic sounds. The sound of breaking glass. Snoring, teeth grinding, sneezing, coughing, dog barking, etc.