1.Own private model ear shell, original V2 model, customized for VIP 2.Exquisite and beautiful appearance, new appearance design 3.In-ear design, the ear canal fits firmly, light and comfortable to wear 4.The wire is made of TPE wire, which is flexible, durable, and has a longer service life. 5.Carefully tuned 10mm moving coil speakers, the bass is surging and touching 6.Metal plug, smooth sound signal transmission, corrosion resistance, oxidation resistance, resistance to unplugging and plugging in daily use