SpecificationsScreen material: 2.06-inch AMOLED screenResolution: 410*502 pixels, 330 PPI, brightness up to 1000 NITAlways-on display: SupportedGlass material: Corning Gorilla GlassBody material: zinc metal bezel + drilled carbon coatingStrap material: 22mm silicone strapButtons: 3Bluetooth 5.3Battery capacity: 300mAh lithium polymer batterySensorGPS positioning: integrated GPS/GLONASS/GALILEO/BEIDOU.Assisted GPS positioning is fast.Sports: gravity sensor, proximity sensor, accelerometer.Health: wrist heart rate monitor and blood oxygen saturation monitor.Activity trackingActivity tracker, pedometer, stand, exercise bar (displayed on the device after a period of inactivity, reset by walking for a few minutes), automatic goal (learn your activity level and specify daily step goals), calories burned, real-time pace and distance.24-hour monitoring: real-time wrist heart rate (heart rate abnormality reminder), steps, feet, calories burned, distance.Manual measurement: wrist heart rate, SpO2 (blood oxygen) level measurement, stress level, female cycle tracking, breathing training.Sleep quality monitoring: sleep stages (including REM sleep), sleep schedule, sleep score and information.Sports featuresSports modes: 100+Intelligent recognition of outdoor running, treadmill, walking.Available running profiles: route import, GPS-based distance, time and pace, custom activity goals, real-time steps, average speed, average pace, minimum heart rate, maximum heart rate, average heart rate, calories, range heart rate (warm up, weight loss, endurance, anaerobic, extreme), activity history on the watch.Style featuresSmartphone support: Bluetooth phone, smartphone music and camera control, phone notifications, SMS notifications, app notifications, find my phone.Timing: time/date, GPS time sync, automatic daylight saving time, stopwatch, timer, alarm clock.Daily life: Weather synchronization (check the weather for the next four days), wake up, sedentary reminder, drinking water reminder, event reminder, hand washing reminder.Mode: Power saving mode, do not disturb mode, AOD mode, screen lock mode, silent mode.Application: Information clothingCompatible devices: Android 4.4 or iOS 12 and above.View and share your activities: Sync training data with Apple Health and Strava.Watch faceDefault system: 3Zeblaze Fit APP downloads: 150+Always-on screen: 4Custom watch face: SupportPacking specificationsPacking list: Smart watch*1, liquid silicone strap*1, charging cable*1, manual*1Earphone*1.Packing size (length x width x height): 163x95x35mmPacking weight (gross weight): 187g