Xiaomi mi Bluetooth Neckband Earphones Collar design / lightweight skin-friendly material / apt-X codec / AAC advanced audio coding / dual-unit acoustic architecture Collared type design, considering sports and leisure The simple and stylish collar design creates new possibilities for wireless Bluetooth headsets. The compact disk is attached to the neck and the elegant streamlined body looks like one after the other. The collar is made of skin-friendly and elastic materials with matte texture metal. It is firmly fitted and is an exclusive and dynamic music lover. Magnetic ear shell, compact and portable The dual in-ear ear shell adopts magnetic suction treatment, eliminating the cumbersome storage steps. With headphones,you can enjoy music at any time. When you remove it, the ear shell naturally absorbs, and it can be easily picked up.It is easy and convenient to use music to enrich our spiritual world. Dynamic coil + moving iron acoustic structure, feel the immersive nature The combination of moving coil and moving iron acoustic architecture can give full play to their a bit. The replay of the detail in the layering is combined with a broad range of sounds, and the three-band natural smoothness is enjoyed in the flow of music. The true colors present the initial sound.