Digital Ear Plugs
Brand :
KINGJIM
Caution
Product Description
[Features]
・ You can hear the voice and cut only the noise.
・ The compact microphone built into the earphones collects the ambient noise and emits the opposite phase sound to cancel the noise.
[Applications]
・ During learning
・ When traveling by transportation
Features
●Voices can be heard and only noise can be cut.Specification
●Code:Yes（850mm）●Size:Free
●SPQ（piece）:10
●Noise Cancel Level: Max -20dB
●Power Supply: AAA Alkaline Dry Battery（sold separately）
●Battery Life: Approx. 100 hours when using alkaline dry battery（it depends on use conditions）