MCU: JL7013A6 App: Da Fit G-sensor: 3-axis Heart rate: dynamic heart rateandrelease detection Horn: waterproof horn Touch screen: full screen touch Screen size: 1.19-inch AMOLED AOD constant light screen, high-density glass cover plate Screen resolution: 390 x 390 Storage FLASH: 128M Battery capacity: 200MAH Case: Stainless steel bodyand18mm replaceable strap Waterproof: IP68 deep waterproof Machine size: 38 x 11.8mm Function: Time and date display, 12 or 24 hour rotating buttonandpress function, multiple dials switch weather forecast, battery level display, wrist flip, bright screen flashlight, game calculator, watch call history, dial phone watch, dial dial phone watch, dial phone watch, contact person, dial phone watch, call answering hand watch, call rejection step monitoring, distance monitoring, calorie monitoring, heart rate monitoring, sleep monitoring, blood pressure monitoring, blood oxygen monitoring, breathing training, walking, running, outdoor cycling, skipping rope, badminton, basketball, football, mountaineering, tennis, rugby, golf, yoga, fitness, dancing, baseball, elliptical machine, indoor cycling, free training More than 100 sports modes, including rowing machines, can be added by oneself. Call reminders, SMS reminders, APP notifications, alarms, sedentary reminders, goal achievement reminders, women's health reminders, heart rate alarms, music remote control, remote control, photo taking, phone not to disturb mode, brightness adjustment, bright screen duration setting buttons, custom timers, stopwatch themes: list, cellular, grid, parallel lines, flat, new moon, full moon, rudder viewing, watch version shutdown settings, download QR code display, restore factory settings