ZOHAN electronic shooting safety earmuffs provide the ultimate safety and ear protection. Provides safety by amplifying important sounds (up to safe to 82 dB). This protection comes from the immediate blocking of any noise above 82 dB. Provide enhanced communication for hunting, shooting, etc. Noise reduction level (NRR): 22dB. AUX input, electronic earmuffs and headphones are connected with a 3.5mm cable, you can listen to music; use 2 AAA batteries (not included). After comparing the sound amplification functions of many similar products, we spent more time and energy to upgrade our electronic shooting earmuffs. Let it provide a very good noise reduction function while having a better sound amplification function. In the shooting range, you can chat with friends without taking off your earmuffs. ZOHAN EM026 electronic shooting earmuffs provide you with stereo and clear sound through amplifying sound design. The design of ear pads and ears all-round fit, so that the ZOHAN EN026 shooting ear protector is better in terms of noise reduction. Suitable for Multiple Scenarios. With cool appearance and powerful functions, ZOHAN EM026 electronic earmuffs are suitable for multi-scene use, especially in high-noise working environments. Features auto shut-off after 4 hours and snap-on lid for easy replacement.