Xifo M2 Tracker  (Black Strap, Size : Free Size)

Multi-Function:Blood Pressure Monitor/Heart Rate Monitor/Step Tacker/Calorie Counter/Sleep Monitor/Sport Distance/Sedentary reminder/Motion Monitoring,Connect the smart fitness tracker with your phone,notifications push for SMS/Facebook/Twitter/WhatsApp/Instagram message,calling reminder, camera remote capture, music control ,these app need on smartphone and allow contents to be shown on the device screen.Download mobile software and establish a health goal, bracelet will always monitor you. Heart rate, blood pressure, blood oxygen, fatigue levels can be automatically measured at the whole point, and manual measurement at any time. Bracelet can always record the number of steps, mileage, calories. Running function can record your movement track, display map, distance, time, speed, consumption data.Built-in USB Plug: Built-in USB plug makes it easy to charge with any USB block and computer; no charging cable and dock needed; one single charge gives you up to 7 days of working time.Compatible Minimum Requirements: Android 4.4 + : For Android devices; IOS 7-For Apple devices : iPhone 4s / 5 / 5c / 5s / 6 / 6 Plus 6s 6s plus / 7 / 7 Plus / 8 / 8 Plus / X