Xiaomi Haylou LS01: A sub ~US$20 smartwatch with IP68 certification, 9 sports modes, 24 hours heart rate monitoring and up to 14 days battery life - NotebookCheck.net News
Amazon.com: HAYLOU Smart Watch for Android iOS Phones, 1.69" Touch Screen Smart Watches for Men Women with 12 Sport Modes, Fitness Tracker with Heart Rate Blood Oxygen Sleep Monitor IP68 Waterproof Fitness
Xiaomi Haylou Watch Review 2023 | Is the Haylou Solar Plus RT3 the Best Cheap Smartwatch? - Xiaomi Review