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Persona de contacto Mr. NICK
chengjiang(M)road, Jiangyin, Jiangsu
1).NRR:*3dB 2).Can adjust the noise reducing sensitivity and suit for any noisy environment. Sensitivity sound controlsystem, reacts/recovers sound onlyneed 1.8milliseconds 3).Control harmful noise levels to kept within *5dB. If Sounds below *0dB can be amplified up to 8X times normal hearing to *0dB 4).Each ear cups is equipped with its own electronics circuit, the sound reception is stereophonic, with maintained directional sound. 5).Use a single AAA battery on each side
