AOER Advanced G Shape Police Earpiece Headset PTT Mic for 2-pin Kenwood Nexedge Hytera Puxing Wouxun Radio 2 pin Advanced G Shape Police Earpiece Earphone Headset PTT(Push To Talk) with built-in line mic microphone for Kenwood TK Puxing Wouxun BaoFeng Radio Security Door Supervisor 2pin. The earpiece and PTT using better materials and components, allows longer time use. Provides excellent durability, reliability and performance in low-profile environment. Excellent for use in police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses, and noisy environments. Clip this hands free earpiece onto your shirt and begin using your radio device to communicate discretely and easily, whether you're in security, retail, or hospitality.