Two Way Radio G-Hook Earpiece. 1. PTT button make you more comfortable to use, convenient and practical. 2. The thicker cable is updated by good quality material, which bring you better sound effects. 3. A remote microphone with push to talk button can be hooked anywhere. 4. Single wire walkie talkie headset, the ear hook fits the ear perfectly. 5. Suitable for police, night clubs, bars, security, restaurants, hotels, bodyguards, warehouses and noisy environments.