✅What's Update & Notice to Read: Updated New Function - Body temperature monitoring, blood oxygen test, drinking water reminder, female health assistant.【Notice】: In consideration of the energy saving, we have some restrictions on the function of “wrists flipping to lighten screen”, you can read the detail on this page. If the Bluetooth connection is disconnected, please unbind the device in the app, and then rebind it to restore the connection (no data lose). ✅Heart Rate & Blood Pressure & Sleep Monitoring: Fitness tracker can track real-time heart rate automatically & continuously and automatically tracks your sleep duration & consistency with comprehensive analysis of sleep quality data, helping you adjust yourself for a healthier lifestyle. ✅All-day Activity Tracking Sports Tracking: 16 sports modes for specific activity can meet your needs The whole day. Romeifly activity tracker will accurately record all-day activities like steps, distance, calories burned, active minutes and sleep status, not only a pedometer or step counter. ✅See Calls & Important Messages on Your Wrist: Romeifly fitness tracker can receive call, calendar, SMS and SNS (Facebook, WhatsApp, LinkedIn, Instagram, and Twitter) notifications on display; never miss the messages that matter. ✅Built-in USB Plug & Waterproof: Easy to charge your smart watch with any USB block and computer; no charging cable and dock needed; one single charge gives you up to 7 days of working time. IP67 water resistant, you can wear the tracker when running in rains and washing hands, but do not wear it when showering, swimming, or diving.