ExpertPower 1-wire Surveillance Earpiece PTT Mic for Motorola AXU4100 BC10 BPR40 BR250 CLS1110 CP88 CT125 DTR EP450 GP200 GP300 GP68 GTI GTXHT850 KM150A LTS2000 ONE MU11C P040 PR400 PRO1150 RP6500 SP10 TC-320 TC-1600 VL50 XR150 XTN445 XU100 XV1400 Brand New Excellent Audio Quality, Rugged Construction. Flexible and durable high grade Kevlar cable for demanding applications. Mini PTT Mic with a metal clip. Can be attached covertly to an undergarment or used overtly. Excellent for use in police, military, nightclubs, bars, paintball, security,restaurants, hotels, bouncer, warehouses, and noisy environments.