Wear the Amazfit Bip U Series smart fitness watches to monitor your health data. In fact, it offers stress tracking to provide breathing training to help you rest and relax. The Bip U Series also maintains 24-hour heart rate monitoring to provide accurate measurements. It can even help you record your menstrual and ovulation periods. In fact, the watch will alert you before your period arrives to help you plan ahead. Furthermore, the Amazfit Bip U Series smart fitness watches accurately monitor your sleep status to provide you with a sleep quality score. In particular, this monitoring includes your deep sleep, light sleep, REM, awake time, and afternoon naps. Finally, this wearable tech features over 60 sport modes with high-precision GPS tracking. This monitors your speed, heart rate changes, calories burned, and more. As a result, you can accurately monitor your daily activity.