Description:The fitness tracker will track all your workout data to help you exercise scientifically and achieve fitness goals.The fitness smart watch can monitor your Heart Rate, Blood Pressure, Blood Oxygen (SpO2), and your deep, light sleep state which can help you better understand your health.Specification:Name: D18 round screen macaron smart braceletCompatible platforms: Symbian, ANDROID, iOS, MIUI, Windows Mobile, Alibaba Cloud OS, Baidu Cloud OSScreen size: 1.44 inchesMaterial: TPUBattery capacity: 90mAhBody memory: 1MWearing : wristbandOperation mode: single Interface: USB 2.0Wireless distance: 5m (inclusive)-10m (inclusive)Wristband Material: SiliconeAdditional functions: step counting, health monitoring, information push, sleep analysisFunction: step counting, heart rate monitoring, social entertainment, smart reminder, blood oxygen detection, sedentary reminderColor: black, white, pink, yellow, greenBattery life: less than Charging : USB direct plugWaterproof grade: life waterproofConnection : wireless connectionPackage List: Fitness Tracker Watch*1Manual*1Packing Box*1Notes: Due to the lighting effects and shooting angles, the color of the item and that shown in the picture might have a nuance.Due to manual measurement, there might be a tolerance in the product size.