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{ELE-3C} Surveillance Security Spiral Acoustic Air Tube Earpiece for Mobile Phones Features: 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. Descriptions: Also suitable for large-scale projects security, surveillance and noisy environment. Flexible and portable. Compact and lightweight, easy to carry. Specifications: Material: Plastic, Metal Color: black Size: 35*18*22mm Package included: 1 x Acoustic Air Tube Earpiece 1 x Iron Clip Spiral Tube Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. Please allow slight measurement deviation caused by manual measurement, thank you for your understanding.