ExpertPower Security/Surveillance Headset For Motorola Radios with PTT/VOX Dual Wire, Single Pin. Excellent Audio Quality, Rugged Construction. Flexible and durable high grade Kevlar cable for demanding applications. PTT Mic with a strong 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.