Product name: Heart rate smart braceletWristband size: 230*18*2MMBody size: 42*23*9.5mmWeight: 44gScreen size: 0.96inchResolution: 128.96Battery capacity: 90mAhMachine material: plasticStrap material: TPUStandby time: 20 daysUse time: 3-5 daysSoftware functionTime display: supportStep counting: supportCalories: SupportDistance: SupportSports mode: running/cycling//skipping ropeRaise your hand to brighten the screen: supportSleep monitoring: supportCall reminder: supportMessage reminder: supportAlarm clock: supportFind bracelet: supportBrightness adjustment: 4 levelsWeather: SupportHeart rate monitoring: supportBlood pressure monitoring: supportWearing options: supportUI interface language: Chinese/EnglishCharging method: USB chargingOTA upgrade: supportWaterproof rating: IP67. High-definition color screen, multiple interfaces and modes. USB direct charging, convenient and fast. Using upgraded chip processor, low power consumption chip, longer standby time. Professional monitoring technology and algorithms improve the accurate value of the movement. The use of a new generation of sensors makes the heart rate, sleep quality and blood pressure monitoring more accurate, and you can keep track of your health status at any time. Ergonomic wristband design, wear-resistant and breathable, with multi-color matching. Call reminders, alarm clocks, messages, etc. You can browse the content by raising your wrist. The screen brightness can be adjusted freely. With its own waterproof function, swimming enthusiasts can also wear it.