1.27-inch, 360*360-pixel AMOLED touch screen, the sphere is always activeBuilt-in headphones and microphones for Bluetooth calls, support call or answer calls, synchronize contacts and call records, support SOS emergency callsCompass, barometerCompatible with NFC and AI voice assistantsNon-invasive blood sugar measurement, 24 - hour heart rate monitoring, blood pressure measurement, blood oxygen measurement, body temperature monitoring, sleep monitoring, respiratory training, sleep monitoringSupport multi-point mode to record your trails, calorie intake, distances and movement trajectoriesSelect user interface menu type.Huge dialer market also allows you to customize dials.Support firmware upgrade, you can update the watch software to the latest version in the applicationOther useful features: message reminder, stopwatch, rest indicator, find phone, calendar, female cycle, GPS track, reboot, push message, remote photo, weather, key detection settings, blood oxygen, breathing, dial, pedometer, timer, menu style, factory reset, time and date settings, calculator, heart rate, language selection, watch information, alarm clock, sport mode, Bluetooth, music, stopwatch, off-screen time, vibration intensity, time and date settings, password lock. Music, stopwatch, off-screen time, vibration intensity, time and date settings, password lock.