Howard Leight Impact Sport Bluetooth Electronic Ear Muffs Olive Drab

0.5 Millisecond reaction time - Extremely fast 0.5 millisecond reaction time ensures safe shooting hearing protection; digital sound compression reduces harmful noise from impulse sounds such as gun fire; Noise Reduction Rating (NRR): 21dB. Quick-connect bluetooth 5.0 - Easily sync to music player or mobile device for safe, hands-free communication with others; 2 Mbps data speed is twice as fast as BT 4.2; includes separate volume controls for Bluetooth and external environment amplification. Situational awareness - 5X sound amplification enhances low level frequencies like range commands, conversation and forest sounds; dual high-gain, omni-directional microphones allow you to identify source of sound; recessed placement reduces wind noise. Low profile, comfortable fit - Air Flow Control Technology allows for a slim, low profile ear cup to ensure firearm stock clearance; padded, adjustable headband provides a comfortable, custom fit; compact, folding design for convenient storage. Kit includes - Bluetooth earmuff, rechargeable lithium-ion battery and micro USB charging cable; automatic shut-off feature after four hours increases battery life.