本公司厂家热销安全防护用品的电子防噪音耳罩nrr=25db劳保用品，品质保证，欢迎洽谈。 ear protector/earmuff/hearing protector/ear muff/electronic earmuff 1. protect your hearing from harmful noises, but also allowyou to hear normal conversation. 2. weak sounds can even be amplisfied, so you hear them better than you would without electronic ear muffs. 3. immediately attenuated the noisesabove 85 db. 4. on/off switch with volume control on both cups. 5. soft, wide and foam ear cushions and individually headband provide an even and consistent distribution of pressure around the earsfor the best. 6. powered by two aa batteries (not included). 7. ideal in shooting, hunting, industrial training and many other applications. 8. receiving voice at frequency: 400 to4, 000hz making voice clearer 9. certificate: ce, rohs, en352-1 10. snr: 25db.

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苏州欧利嘉电子有限公司

18962302728
江苏省苏州市常熟市练塘工业园区