6u steel magnetic guarantee sound quality, metal ear shell, innovative luminance zipper line, metal shell, perfect embodiment of metal texture. The stereo sound effect is good, the bass is moderate, the voice is very clear, also relative to the front. The overall feeling is very balanced, especially suitable for listening to pop.     Mainstream mobile phones such as samsung/apple/xiaomi are compatible with android 2.0 or above. Metallic headphone head, the light zipper replaces the traditional earphone line, shows the individuality, manifests the quality. Never change color