Retevis Tactical Military Headset with Mic 2 Pin, Compatible with Retevis RT22 RT21 H-777 Baofeng UV-5R 888S pxton Walkie Talkie, Noise Reduction 2 Way Radio Headphone with Big PTT(1 Pack) auspowers_batchfour Parameters: Input voltage: 60~500V Measuring

Parameters: Input voltage: 60~500V Measuring range: 60~500V Voltage measuring error: 2V Environment temperature: -40~55℃ Color: Red

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Retevis Tactical Military Headset with Mic 2 Pin, Compatible with Retevis RT22 RT21 H-777 Baofeng UV-5R 888S pxton Walkie Talkie, Noise Reduction 2 Way Radio Headphone with Big PTT(1 Pack) auspowers_batchfour Parameters: Input voltage: 60~500V MeasuringRetevis Tactical Military Headset with Mic 2 Pin, Compatible with Retevis RT22 RT21 H 777 Baofeng UV 5R 888S pxton Walkie Talkie, Noise Reduction 2 Way Radio Headphone with Big PTT(1 Pack) Read more Work well with helmet Retevis EH060K Tactical Headset, widely used by military special forces. Designed for active combat and high noise applications. The soft headband allow headset to be worn under helmets. You can also adjust the headband to make it