XWatch-C18 1.83″ SuperFit™ Smartwatch with Wireless BT Calling Enjoy seamless connectivity with Bluetooth 5.2 Technology and hands-free function with XWatch-C18. With a heart rate sensor, pedometer sensor, blood oxygen level sensor, sleep tracker, and 100 sports modes, this smartwatch is designed to help you lead a healthier lifestyle. Its 1.8-inch display and 240X284 resolution make it easier to see and use. Designed to withstand water and dust with IP67, the XWatch-C18 is the perfect companion for your every adventure.