ManufacturerXiaomiModelHuami AmazfitTypeSmartwatchDimensionsDial diameter: 46mmWeight53.7gBand width22 mmMaterialDial material: Corning gorilla glass Case material: Polycarbonate + Zirconia ceramicsMemory512MB + 4GBChipDual-core, 1.2GHzHealth trackerHeart rate monitorFeaturesCall reminder, Info push, GPS+Glonass, Bluetooth music, Weather, Time, Alipay quick paymentSensorPPG heart rate sensor, acceleration sensor, gyroscope, geomagnetic sensor, light sensorAlert typeVibrationBatteries typeLithium polymerBattery capacity280mAhRunning modeAbout 5 daysWatch modeAbout 11.6 daysGPS+running modeAbout 35 hoursWaterproof ratingIP67CompacibilityAndroid 4.4 or above phones with BT4.0 (iOS app is in development)Wireless connectionsBluetooth 4.0 BLE, WiFiControl dial1.34 inch, capacitive screenResolution320×300 pixelColorBlack Hands-Free Working Out Onboard Music | Sony 28 nanometer GPS | Ceramic Bezel | Heart Rate 5 days of battery life | Smart Notifications Onboard Music Go for a run without your phone Download music onto the watch and pair it with your Bluetooth headphones while running Store up to 500 songs 1 Achieve your exercise target easily with your favorite tunes. Sony 28 Nanometer GPS, Acquire Accurate Exercise Data Receive GPS satellite signals through the watch's built-in GPS module. Accurately record professional sports data such as real-time movement, mileage, altitude, stride frequency, pace, etc.. Analyze and improve your exercise routines. Run | Walk | Trail Run | Cycling Ceramic Bezel, Always-on Display Skin-friendly and hard ceramic bezel. Reliable, wear-resistant and durable. Check time with the always-on display. With a reflective display screen, the stronger the ambient light is, the clearer the watch face will be. Automatically adjust the backlight of the display screen according to the ambient light so that you get a clear screen display which is reliable, wear-resistant and durable. Heart Rate Monitoring， Scientific and Effective Using the PPG heart rate sensor, with the self-developed heart rate algorithm, real-time monitoring of heart rate changes during exercise will make your workout more progressive and effective. Supports both Outdoor and Indoor Running Having your stopwatch on your wrist to monitor the heart rate all the time. Smart Notifications Read messages and notifications from your phone directly on your watch. Incoming call notifications | Messages notifications Record and Share Your Exercise Data Track your exercise routines using the watch to keep track of your routes, and export the data to share with your friends (currently only supports GPX export and import). 5 Days of Battery Life 35-hour GPS continuous running mode 5 days Battery life Run for 30 minutes every day and receive 200 notifications 35 hours GPS continuous running mode 2 Open GPS and monitor heart rate all the way Brand Xiaomi SKU 100810017_NP-1021308436 Model Mi Amaze Fit Pace