AOER 2 Pin Professional Noise Cancelling Overhead Earpiece Headset with Boom Mic Microphone for Kenwood Radio TK3173 TK3200 TK3202 TK3207 TK3230 Noise cancelling, 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. 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. Military Professional Noise Cancelling Overhead Earpiece Headset with boom mic microphone PTT for Kenwood TK Puxing Wouxun Baofeng Hytera Radio Security Door Supervisor 2pin.2 pin Professional Overhead Earpiece Earphone Headset PTT(Push To Talk) with boom mic microphone for Kenwood TK Puxing Wouxun Baofeng Hytera Radio Security Door Supervisor 2pin.