B07B9W4V3Z Fitbit Versa Smart Watch, Black/Black Aluminium, One Size (S & L Bands Included)

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??ILY ACTIVITY TRACKER??his powerful fitness tracker with big colorful screen and high sensitive touch sensor, can automatically record your daily activity information including the steps,distance, calories burning,activity time and so on. Create a comp
??TO HEART RATE & SLEEP MONITORING??dopt the latest HR sensor for accurate and effective heart rate monitoring. Automatically detect your sleep, comprehensively analyze data such as sleep duration,sleep depth and wakefulness sleep,guides you to improve