Xiaomi Haylou LS02 Waterproof Smartwatch with Heart Rate - Bluetooth 5.0, IP68, IOS 8.0, Android 4.4 If you are looking for a multifunctional bluetooth smartwatch and all-day companionship, then Xiaomi Haylou LS02 is the right watch for you! Personal health care intelligent manager with twelve built-in sports modes will help you record and analyze all data.