The earphone purchased by Xiaomi Mall is a new version. The headphones currently on sale in Xiaomi Mall are all new models, and the shelf time does not exceed 1 year. Xiaomi's headset foundry is Wanmo, and Wanmo is the top three domestic headset brands so far. Its products are sold to 26 countries around the world. 1MORE products such as three-unit ring-shaped headphones and four-unit ring-shaped headphones won the American Consumer magazine and CES Innovation Award, and were recommended by Japan VGP. Jay Chou, Grammy Award recording master LucaBignardi, an acoustic expert of Wanmo United, participated in the research and development and production.