[Bluetooth Call & Message Notification] Oukitel BT103 smart watch for men has a built-in microphone and speaker, you can make/answer calls directly, just connect your phone through the "GloryFit" app. When your smartphone receives an incoming call, message, Whatsapp, Facebook, email and other app message notifications, the smart watch will notify you in time, you will not miss any important messages. | [1.91" Touch Screen & 200+ Customizable Watch Faces] The 1.91" smartwatch is equipped with a 320*380 HD resolution screen, which greatly improves the image quality and touch response speed. It also has a 4-level brightness adjustment to ensure that the sports watch can be easily read even in the sun. The Men's and Women's Watches app also provides 200+ custom watch face wallpapers to choose from, and you can even personalize your watch face wallpaper with your favorite photos. | [140+ Sports Modes & Life Waterproof] The fitness watch provides more than 100 sports modes, including indoor sports, outdoor sports, yoga, ball sports, accurately recording your daily indicators such as steps, time, distance and calories burned. This smart watch adopts life-grade waterproof design and can be worn even in the rain and when washing hands. It is not recommended to use in warm water or salt water. | [All-Day Health Tracking & Sleep Monitoring] The smart watch uses an optical motion sensor and supports 24-hour heart rate help you better understand your health status. The watch will also automatically monitor your sleep (deep sleep, light sleep, wakefulness). You can intuitively see the relevant data analysis in "GloryFit", and you can adjust and develop a healthy lifestyle accordingly. | [Battery Life & Multi-function] The smart watches for women is equipped with a 300 mAh large-capacity battery, which can provide you with up to 5 days of working time and 20 days of standby time on a full charge (2 hours). In addition, it also has practical functions such as alarm clock, stopwatch, timer, menstrual cycle tracking, sedentary reminder, phone/watch search, etc.