The Xiaomi Smart Band 9 Active is a smart band that combines a stylish design with multiple functions. - Model: Smart Band 9 Active - Brand: Xiaomi - Color: Black I used it for about two weeks, but I couldn't get the hang of it. The seal on the opening is a little dirty. For those who understand that it is used. Startup confirmed. No support provided. Those who can pair it themselves, please. Thank you.