.Made of environment- material. Tough and solid plug, durable to . Clear sound and high quality.Transparent detachable acoustic tube, snug and covert. Meanwhile, it can also greatly reduce radiation from the radio. Long upgraded PTT, professional and easy to operate. It's widely used by police, , bodyguards, ham amateur, security team members and so on. It's also popular at building sites, restaurants, hotel, racing, hunting and the other related or activities requiring smooth communication. Material: Plastic Color: black Can be applied on the following radio models (for radios): Series: GP140, GP238, GP240, GP280, GP318, GP540, GP580, GP320, GP328, GP329, GP338, GP339, GP340, GP360, GP380, GP640, GP650, GP680, GP1280 HT Series: HT750, HT1250, HT1250LS, HT1550, HT1550XLS Series: MTX150, MTX450, MTX850, MTX850 , MTX860, MTX950, MTX960, MTX8250, MTX8250 , MTX9250 . PRO Series: PRO5150, PRO5350, PRO5450, PRO5550, PRO5750, PRO7150, PRO7350, PRO7450, PRO7550, PRO7750, PRO9150. Series: MTP700, MTP750. PTX Series: PTX700, PTX760, PTX780. note: Before purchasing, please make it fits your radio. Package includes: 1 x Acoustic tube earpiece Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.