Start W6 Sports Health Pedometer Smart Wristband Light Protable Breathable Bracelet 100% brand new and high quality.Built-in 3D acceleration sensor with high sensitivity, can catch your every small action, making more accurate pedometerTracing your burning calories, movement step, movement distance Temperature display function, easy for user to know the environment temperatureExercise data memory, recording the amount of movement data by connecting the computerMode:Activity/Sleep/Nap/Bluetooth The data can be read when connecting with the computer. Exercise data memory, recording the amount of movement data by connecting the computer Waterproof:Daily waterproofing, IP44  Dimension: (L x W x H) 214 x 16 x 8MMAccompanying software:iphone Android 4.3 and later versions We have chosen logistics faster and better way to ensure that customers receive the goods as soon as possible About us:if you have any question,you can contact us,then we will solve it for you. More surprise product sold by "START"Please pay more attention to our company-www.amazon.com/shops/start_wuvi