Zeadio Air Tube Earpiece Headset with Mic Vox/ptt for Motorola Multipin Walkie Talkie Radio Pro860 Pro5150 Pro5350 Pro5450 Pro5460 Pro5550 Pro5750 Pro7150 Pro7350 Pro7450 Pro7550 Pro7750 Pro9150 Etc. Excellent for use in police, military, nightclubs, bars, paintball, security,restaurants, hotels, bouncer, warehouses, and noisy environments. High quality heavy duty microphone. Transducer with Clip. Can be attached covertly to an under-garment or used overtly. This headset is for Motorola radios that require an oval side mount pin connector with retaining screw