Features: 1. Remote PTT microphone upgrade, attractive appearance, generous and simple, longer and larger PTT button upgrade, more user-friendly operation. 2. Removable cable connectors, dual side removable parts, freely assembled, convenient replacement of worn/smudged Clear Acoustic Tube earbuds, thus always keeping your equipment top level. 3. Radiation protection: reduce the radiation by radio waves, and the air sound tube protects your body from direct injury. 4. Noise resistance: soft plastic earplugs close to the left or right ear make a good sound even in noisy places with air tubes 5. Ideal for police, military, bodyguards, HAM amateurs, firefighters, security personnel, etc. 6. Very suitable for related activities: all-terrain vehicles, racing games, skiing, racing, hiking, car travel, teamwork, large projects, etc. Spec: Material: ABS. Color: black Cable length: about 150cm/59.1in Applicable model: for MTP850S and MTP830S Weight: Approx.68g/2.4oz Package list: 1 x Air Tube Earpiece Headset Mic