pTron Force X11 Bluetooth call function smart watch has a 4.2cm large color screen, full screen touch, heart rate tracking, built-in microphone and speaker, and smart notifications. With the custom watch face, you can upload your favorite picture as the watch face interface for the smartwatch. With the built-in PPG photoelectric detection technology, the Force X11 fitness smart watch can monitor your heart rate and blood oxygen data anywhere at any time. It can also do 24-hour real-time heart rate monitoring. In addition, it can monitor your sleep quality to make you better understand your physical health. This smart watch has 7 sports modes, multiple daily activity trackers, such as steps, calories burned, distance and time, step counter, sedentary reminder, hydration reminder, meditative breathing and much more. With 250mAh ultra-large battery capacity, after charging for 3 hours, it can work for 5-7 days or be standby for 10-15 days. With IP68 protection, you protect your smart watch band from dust, dirt and water. Force X11 Smart Watch for Men/Women is compatible with smartphones with iOS 9.0 / Android OS 4.4 or advanced versions as well as Bluetooth 5.0 or advanced versions. At the same time, the activity tracker offers smart prompt, alarm, timer, stopwatch, sedentary prompt, music control and other functions. Compatible mobile app is Da Fit, connect and configure the watch with the mobile app on your phone. 1-year manufacturer warranty and customer service information 040-6713888/support@ptron.in