100% Brand New.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.Package Content:1 x Acoustic Air Tube Earpiece for Kenwood