Xiaomi Band 3 black smart watch

Features of the watch: • The watch is compatible with Apple and Android systems and has an official app on Google Play and Apple Store Mi Fit • Small touch screen, to display the time and other notifications (such as calories burned, heart rate, WhatsApp according to your settings in the watch) • Automatic start of the watch when lifting your hand to look at it • Battery life of 20 days on full charge, and this is the official number from the manufacturer • Count steps, calories, and heart rate • Measure sleep time and determine deep sleep and light sleep • Water-resistant up to 1 meter for 15 minutes • The strap can be easily replaced • Alert when not moving for a certain time • Can be connected via Bluetooth and synchronized with any other sports app