TENQ Air Tube Headset Anti-radiation Earphone Mic Earpiece for Walkie Talkie Motorola GP328 GP338 GD380 GP340 HT750 HT1250 Function characteristics: Light is concise, clear timbre; Transparent vacuum hose, comfortable and beautiful, suitable for long wear; Sound quality is clear, high fidelity, noise insulation; Using high quality PU and hoses, sturdy and durable; Scope of application: Relevant personnel: police, army, bodyguards and businessman. Related environment: a nightclub, bar, paintball, security, hotel, hotel, airport, casino, manufacturing plants, meetings, concerts, warehouse and noisy environments. Applicable models: For Motorola Walkie Talkie (For your convenience find the model, press “ CTRL + F”, enter the model you need to find out.) MTP700,HT750, HT1250, HT1250LS, HT1550XLS GP140, GP320, GP328, GP329, GP338, GP339, GP340, GP360, GP380, GP640, GP680, GP1280 MTX850, MTX850LS, MTX900, MTX950, MTX960, MTX8250, MTX8250LS, MTX9250 PR860, PRO5150, PRO5350, PRO5450, PRO5550, PRO5750, PRO7150, PRO7350, PRO7450, PRO7550, PRO7750, PRO9150, PTX700, PTX760, PTX780 Note: Before buying, please check whether the interface is suitable. if your intercom type is not in the list above, please refer to my other projects or send us your model, then, we will help you to find a suitable for you.