Niceboy Watch 4, 1 pc, Smartwatches and activity trackers for Men, Keep track of your daily physical activity and biometric data and get an overview of your performance. The Niceboy Watch 4 smartwatch is the ideal accessory for monitoring a healthy lifestyle. It can function as a personal assistant, a coach and an elegant companion in every situation. Characteristics: collects and analyses data during any physical activity shows calories burned facilitates better training efficiency monitors sleep coloured display touch control system modern design allows you to measure different types of physical activity music playback function phone notifications mobile application replaceable strap metallic body charges through a magnetic USB cable excellent price-to-performance ratio How to use: The heart rate and blood pressure results are for informational purposes only. They are not a substitute for professional medical devices and cannot be used in medicine.