1.39inch HD colorful display with 360*360 pixel, 2.5D integrated curved glass, provides you more vivid and broader view Equipped with independent speaker and microphone, enjoy the sound world Built in heart rate monitoring, blood pressure measurement and blood oxygen saturation detection, protect health in an all-round way Track sleep condition, monitor sleep quality, and generate professional sleep monitoring report, helps you to fall asleep soundly every night Professional sealed structure case design,watch waterproof is up to IP67, allowing you to wear it worry-free from daily use Specifications: Basic parameters Bracelet size（mm） D*H=Φ44.8*10.5MM weight 50g Major function 1.39 inch HD resolution,360*360 pixel,Bluetooth calling,full screen touch, heart rate, blood oxygen, blood pressure,sleep monitoring,female health,exercise record (step counting, distance, calorie calculation), multi-sport modes, weather,message push, alarm clock,stopwatch, timer, camera control, music control. Hardware parameter Chip maker Realtek chip RTL8762DK+HN333 APP FitCloudPro Compatible system Android4.4 (contain) above, IOS8.0 (contain) above FLASH memory ?ROM128Mb Type IPS screen size 1.39?inches Pixels 360RGB*360 Touch type Full screen touch Connection parameters BT 5.0 Bluetooth Low Energy Chip WIFI NO NFC NO Sensor G-Sensor YES Gyroscope NO heart rate HR3301 GPS NO Battery Battery type Lithium polymer capacity 240mAh Charging mode Magnetic APP software features FitCloudPro Steps count, sleep, heart rate, blood pressure, blood oxygen, female health,exercise data recording, music control, more dials Dial selection, message push, daily alarm clock, camera control, weather information Find watch, time format, do not disturb mode time, all-day heart rate test, turn the wrist bright screen Supports languages: English, simplified Chinese, traditional Chinese, German, French, Arabic, Czech, Greek, Spanish, Japanese, Persian, Italian, Korean, Dutch, polish, Portuguese, Russian, Finnish, Swedish, Thai, Hungarian, Slovak, Croatian, Albanian, Turkish, Ukrainian Other parameters Waterproof Level IP67 Charging time About 2.5H Life time 7 days of use, 15 days of standby Product language Chinese, English, German, Russian, Spanish, Portuguese, French, Japanese, Arabic, Dutch, Italian, Czech, Greek, Hebrew, Malaysian, polish, Thai, Vietnamese, Finnish, Roman, Turkish, Croatian Wristband size Total length 255MM, adjustable length 155-235MM Appearance size Body: plastic + zinc alloy????????????????????????????? Wristband: Silicone + Stainless Steel