On just a 1–2-hour charge, the 40mAh battery of this fitness tracker watch will allow you to monitor your progress for up to 7 days. Featuring a heart rate monitor, step pedometer, sedentary alarm, and automatic sleep tracking, plus many other impressive functions, this is so much more than just your average watch. You can take calls whilst you jog, track your heart rate in the gym and even take selfies in the rain… that’s right, its water resistant too!
