1. Czochralski portable ear-ear plugs.　
2. ROSH in line with EU environmental standards, comprehensive health and 　　　environmental advocacy.
3. 6 u ultimate high-speed response Chun-thin film technology.
4. PU special wire, and adapt to a harsh environment of super 　　　tensile.Durability.
5. Transmission lines within the material used OFC oxygen-free copper lines, 　　　signal distortion close to zero.
6. Headset with comfortable soft silicone pad to ensure that the comfort level 　　　　of the ear.
7. Lightweight aluminum alloy body of material, they should wear feel more 　　　　　　　　　　　　　　　　　　　　　relaxed and metal perfect sense.