Product Features: 100% BRAND NEW & NEVER USED . Transparent flexible acoustic tube . Hidden microphone inside PTT switch . Soft plastic earbud fits snugly to ear . One spare plastic earbud included . Compatible Motorola Models: GP Series: GP140, GP320, GP328, GP329, GP338, GP339, GP340, GP360, GP380, GP640, GP680, GP1280 HT Series: HT750, HT1250, HT1250LS, HT1550XLS MT Series: MT850, MT850LS, MT950, MT8250, MT8250LS, MT9250 MTX series: MTX150, MTX450, MTX850, MTX900, MTX950, MTX960, MTX1500, MTX4500, MTX1550, MTX4550, MTX8250, MTX8250LS, MTX9250, MTX9250LS PRO Series: PR860, PRO5150, PRO5350, PRO5450, PRO5460, PRO5550, PRO5750, PRO7150, PRO7350, RO7450, PRO7550, PRO9150 PTX Series: PTX700, PTX760, PTX780 More models, please feel free to contact us for details.