1. Suitable for BAOFENG walkie-talkie 2. No need to hold the radio to talk and listen at all times, easy to use 3. Double pin standard diameter: ear 3.5mm stereo (upper pin), microphone 2.5mm stereo (bottom pin) 4. Suitable for nightclubs, bars, paintball, security, restaurants, hotels, airports, casinos, manufacturing plants, conferences, concerts, warehouses and noisy environments 5. Clear sound performance, concealed and convenient 6. Two-pin spacing: 11mm
