【Alexa Voice Control & Bluetooth BT5.3 + Call】Control your Watch with Alexa Voice Assistant, this smartwatches is compatible with IPhone and Android Phones, you can make clear calls and receive notifications for SMS, emails, and apps directly on your watch, so you can stay connected,Ideal for those times when you are doing workout or in meetings. 【All-Weather Accurate Health Monitoring】Fitness Watch Will Continuously Record Your Daily Steps, Distance, And Calorie Consumption. It Is Equipped With A More Advanced Dual-Color Three-Channel High-Precision Ppg Bio-Tracking Sensor, Which Can Monitor Health Data More Accurately And Monitor Heart Rate, B1ood 0xygen，B1ood pressure，Liveness Recognition, Stress Level And Sleep Tracking. All Recorded Data Can Be Synchronized To Your Mobile Phone For Analysis, Providing Valuable Insights Into Your Health Status And Promoting Lifestyle Adjustments. 【100+ Sports Modes & Ip68 Waterproof】GTS7 PRO sports watch supports more than 100 sports modes, including running, Walking, hiking, badminton, basketball, rowing, rock climbing, cycling, fitness, football, swimming, yoga, etc; the IP68 waterproof rating of this smartwatch meets the majority of everyday water resistance needs, allowing you to use it without any worry. 【Powerful Functions】 our fitness watch also includes many useful tools , such event reminders, cycle tracking, weather forecast, music control, set alarm, stopwatch, timer, find Phone, women'S health, pomodoro, world clock, flashlight, calculator, breathing training, etc. 【Long Battery Life & Dual-Button Design】Enjoy up to 40 days of standby time and 7- 10 days of regular usage with just a 2.5-hour charge,watch adopts a dual-button design, and the lower button is defined as a shortcut butto. Wrist circumference: 4.72-7.87 inches.