1. Speaker diameter: 15+/-0.5mm 2. Sensitivity: 103dB+/-3dB frequency 3. The headset microphone can be placed on the mouth to make the call more convenient and simple 4. Applicable related personnel: police, soldiers, bodyguards and businessmen 5. Applicable related places: nightclubs, bars, paintball, security, restaurants, hotels, airports, casinos, manufacturing plants, conferences, concerts, warehouses and noisy environments 6. 2-pin standard diameter: 3.5mm stereo ear (thimble). Microphone 2.5 mm stereo (bottom pin) 7. The distance between two needles: 11mm 8. Weight: 70 grams 9. Suitable for Kenwood KPG KPG27D, KPG29D, KPG48D, KPG49, KPG55D, KPG56D, KPG62D, suitable for RETEVIS H-777, RT-5R, RT-5RV, RT-B6, suitable for Kenwood TH TH-D7, TH-D7A , TH-D7AG, TH-D7E, TH-F6, TH-F6A, TH-F7, TH-F7E, TH-G71, TH-G71A, TH-G71E, TH-K2, TH-K2A, etc.
