ELECTRONIC NOISE-PROOF EARMUFFS - YT-74625

Technical data: attenuation efficiency: SNR 28 dB battery life: 30 hrs charging time: 3.5 hrs lithium-polymer (Li-Po) battery with a capacity of 750mAh allows for operation also in low temperatures and is characterized by high mechanical durability weight: about 350 grams Charger: USB Adjustable: yes Low battery indicator: yes YT-74625 active noise-cancelling earmuffs with an intelligent module that amplifies quiet ambient sounds. When working with the earmuffs on, we hear similarly to without them. However, if the ambient sound level exceeds 82 dB, the intelligent hearing protection will react quickly and disconnect the module for the duration of the excessive noise. Working with the earmuffs with the module turned off guarantees a noise level reduction of 28 dB. The earmuffs can be connected to some smartphones, for example , using the included jack cable. Thanks to the built-in AUX port , you can listen to music in stereo, as well as receive the caller's audio during a phone call (the voice is transmitted through the phone's microphone). **