1. [All day daily activity viewer]: Ergerwall IP68 fitness tracker can record and monitor your daily steps, burned calories, exercise distance and time. It can also monitor your body temperature, heart rate, blood oxygen and blood pressure. In the 'Runmefit' application, you can set various smart notifications and check detailed data. IP68 , daily hand washing, cold shower and pool for swimming in the pool, but do not soak in water for a long time or do not wear hot baths, saunas. 2. The design concept of this audience, the design concept of this audience is thin and unique, 3. [Heart/body and lightweight wearing audience. All day oxygen. You can set different monitoring cycles in the application. The longer the range, the longer the battery life. You can also follow your sleep at night (awake, deep sleep, light sleep, REM sleep). In addition, the latest audience has also updated one -click measurement function, so that you can directly measure your various data at a given moment. When your phone's bluetooth is turned on, if you get a message, you can vibrate to remind you of the clock and you can view a specific message. It will save your exercise time, heart rate and distance. You can save your exercise route with connected GPS, etc. (Application was obtained by positioning)