SUNSKY RETEVIS TK 2 Pin PTT Headphone Microphone for H-777 / RT-5R / RT-5RV / RT-B6

Speaker diameter: 15+/-0.5mm

Sensitivity: 103dB+/-3dB frequency

The headset microphone can be placed on the mouth to make the call more convenient and simple

Applicable related personnel: police, soldiers, bodyguards and businessmen

Applicable related places: nightclubs, bars, paintball, security, restaurants, hotels, airports, casinos, manufacturing plants, conferences, concerts, warehouses and noisy environments