M88 Smart Band Fitness Tracker Bracelet Heart Rate Blood Pressure Sleep Monitor Waterproof Pedometer Smart Watches resistance to strong interference

resistance to strong interference

CPU: MTK2502A-ARM7 Smartphone OS Compatibility: Bluetooth 4

1 x RFID Card Holder

Using the best chips

suitable for action games

M88 Smart Band Fitness Tracker Bracelet Heart Rate Blood Pressure Sleep Monitor Waterproof Pedometer Smart Watches resistance to strong interferenceProduct Features: Lighting up Screen by Lifting Wrist It's handsfree to read the time by lifting wrist. Sleep Monitor Distance Calorie Measurement To monitor the quality of your sleep, help you monitor the daily movement, such as, distance and calories precisely. Pedometer Count how many steps you have walked, how far you have run and how much calorie you have consumed. You can enjoy doing sports. Heart Rate Monitor The custom heart rate sensor can