electronic earmuff

Description

This earmuff provides excellent protection by filtering out high frequency noise caused by machinery, motors, saws and gunfire: 1.Protect your hearing from harmful noises, but also allow you to hear normal conversation. 2.Weak sounds can even be amplified, so you hear them better than without electronic ear muffs. ***** attenuated the noises if the noise is above *5 dB. *****/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 ears for the best. 6.Powered by two AA batteries (not included). ***** in shooting, hunting, industrial training and many other applications. 8. Receiving voice at frequency: **0 to 4, **0Hz making voice clearer 9. Certificate: CE, RoHS *0. SNR: *5dB