KING JIM Digital Earplugs White MM1000 Earphone Type MM1000-W 1 pc

Catalogue number: MM1000-W Features: ● Allows you to hear voices while cutting out only noise. ● A small microphone built into the earphones picks up ambient noise and emits an inverse phase sound to cancel out the noise. Uses: ● Studying ● Traveling on public transport Specifications: ● Cord: Yes (850mm) ● Size: One size fits all ● NRR value (dB): 20 ● Noise cancellation level: Maximum -20dB ● Power supply: One AAA alkaline battery (sold separately) ● Battery life: Approximately 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 for which the product cannot be expected to be effective: Extremely loud noises such as those found in factories. High-pitched sounds such as metal sounds. The sound of glass breaking. Snoring, teeth grinding, sneezing, coughing, dogs barking, etc.