Engineered to be the ultimate fitness companion the XWatch-S19 has a heart rate sensor, pedometer sensor, blood oxygen level sensor, and sleep tracker, promoting a healthier more active lifestyle. Stay connected as the Bluetooth 5.1 Technology on XWatch-S19 provides a hands-free function. The stunning 1.95-inch TFT display promotes user experience. While the 400mAh battery is more than equipped to handle business trips and vacations, running for 7-10 days. Designed to withstand water and dust with IP67, the XWatch-S19 is the perfect companion for every outdoor adventure.