• Supplied by solar powered.
• Every side with one microphone and controled by separate swith knob.
• Protect your hearing from harmful noises, but also allow you to hearing normal conversation
• week sounds can even be amplified, so you hear them better than you would without electgronic ear muffs.
• Immediately attenuated the noises above 85 dB
• Soft, wide and foam ear cushions and individually headband provide an even and consistent distribution
• Various color can for choose

     NRR ( Noise Reduction Rating): 26 dB