Bigstone 2 Pin Covert Acoustic Tube Earpiece Headset Mic for Baofeng Puxing Wouxun Kenwood TK3173/TK3200/TK3202/TK3207/TK3230 Radio Security Door Supervisor 2pin(3PACK) 2 pin Clear Acoustic Tube Covert Earpiece Earphone Headset PTT(Push To Talk) with built-in line mic microphone for Kenwood TK Puxing Wouxun Baofeng Radio Security Door Supervisor 2pin. 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. Provides excellent durability, reliability and performance in low-profile environment. Ideal for demanding covert security applications where sound clarity and earpiece durability are of paramount importance. Excellent for use in police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses, and noisy environments.