Anisell 2 Pin Acoustic Tube Earpiece 2 Way Radio Headset Noise Cancelling Earphone for Baofeng UV5R Kenwood TK3107 Puxing PX777 A079 Radiation-proof : Air acoustic tube protect your body by reducing radio waves radiation Anti-noise : The Soft plastic earbud fits snugly to either left or right ear and deliver a great sound even in noisy places by air acoustic tube Tactical Hidden : Transparent acoustic tube earpiece could be invisible by transforming into the surrounding environment Related personnel: police, military, bouncer, HAM amateur family businessman and Team member Related Activity: ATVs, the Racing game, skiing, car racing, outing, hiking, car traveling, teamwork, large-scale projects Security, surveillance and noisy environment