Superband is an app developed based on Bluetooth bracelet, which uses Bluetooth 4.0 communication, including sleep statistics, blood pressure measurement, remote photo taking (taking photos through the bracelet), alarm clock setting, long sitting reminder (setting the reminder time to prevent users from sitting too long), hand lifting, screen lighting, step counting, breath elimination push, do not disturb mode, sleep monitoring, bracelet finding and other functions. Users can use the app to intuitively understand the physical condition and sports condition. It is a lightweight assistant tool app.