Product Name: Mi Ring Iron Earphone ProHeadphone type: in-earProduct net weight: 17gCable length: 1.2mPlug type: 3.5mmControl method: wire controlMicrophone function: YesProduct list: Xiaomi ring iron earphone Pro*1, plastic box upper and lower cover*1, silicone hub*1, earplugs*3 sets, product manual*1, cloth bag*1Double moving coil + moving iron, three units sound at the same time, high-definition sound quality, balanced bass, suitable for music lovers.Aluminum alloy sound cavity, CNC diamond cutting process, good texture, beautiful appearance.The 45 beveled angle into the ear, fits the ear canal, is comfortable to wear, and conforms to ergonomics.Equipped with high-definition sensitive microphone, clear calls and low noise.High-quality TPE wire, resistant to pulling and not easy to break.Support button type wired control, the button response is sensitive and the button life is long.3.5mm audio interface, good compatibility.Equipped with XS/S/M/L 4 kinds of ear caps, you can freely choose according to the size of your ear canal.