KENMAX Multi-pin FBI Style Covert Acoustic Air Tube Headset/Earpiece Mic For Motorola Radio HT750 HT1250 PR860 PRO5150 PRO5350 PTX700 PTX760 PTX780 Multi-pin, PTT button, 1 spare earbud included FBI Style Covert Acoustic Air Tube Headset/Earpiece Mic For Motorola Radio Multi-pin Compatible with: MTX150, MTX450, MTX850, MTX950, MTX960, MTX1500, MTX4500, MTX1550, MTX4550, MTX8250, MTX8250LS, MTX9250, MTX9250LS Compatible with: GP140, GP320, GP328, GP329, GP338, GP339, GP340, GP360, GP380, GP640, GP680, GP1280, HT750, HT1250, HT1250LS, HT1550XLS Compatible with: PR860, PRO5150, PRO5350, PRO5450, PRO5460, PRO5550, PRO5750, PRO7150, PRO7350, RO7450, PRO7550, PRO9150, PTX700, PTX760, PTX780