Upgraded(QS11) Bluetooth Call Features: Effortlessly sync your phone's contacts, make/receive calls, view call history, and redial with this advanced smartwatch. Stay connected without the need to reach for your phone. Innovative Non-Invasive Blood Glucose Monitoring: Utilizing PPG bio-tracking optics and temperature sensors, the watch gathers skin surface light intensity and temperature changes to estimate your current blood sugar levels. Please note that non-invasive blood glucose measurement technology is still in development and may contain certain inaccuracies. Comprehensive Health Tracking: Monitor your heart rate, blood pressure, body temperature, and blood oxygen levels throughout the day, ensuring you remain in control of your well-being. Note that the temperature test requires full skin contact with the sensor (10-minute wearing time) and is influenced by environmental temperature differences, serving as a warning only. Versatile Functionality: Discover a range of features, including women's health tracking, SMS alerts, app notifications, sleep monitoring, step counting, distance tracking, calorie counting, music playback, stopwatch, countdown, calculator, weather display, remote camera control, wrist-raise screen brightening, phone finder, 100+ sports modes, and dozens of customizable watch faces. 2023 Enhanced Edition: Featuring a 1.91-inch HD full-color touch screen, durable aluminum alloy shell, 22mm replaceable strap, RTL8763EWE high-precision chip, 260mAh long-lasting battery, IP67 waterproof rating, and a sleek design, this smartwatch is the perfect gift for yourself or your loved ones.