特征：
1.It works well in noisy backgrounds conditions even bad weather and also has a 'jack' to plug in an earphone unit for surveillance or stealth operations.
2.Shoulder Mic fits for Motorola pogp pin plug,very suit for outdoor works and event
3.PTT MIC,Suitable for a wide range of profession, like police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses
4.PU Reinforced Cables,Long-Life Design, High Tensile Strength coiled cord elastically extends the range while using