Haylou

The Haylou-Xiaomi sub-brand is back again and brought us a new upgraded version called Haylou RS4 Plus. This wearable is a fitness tracker that has got a square design with a 1.78-inch AMOLED display and is equipped with several features including Heart rate monitor, SpO2 blood oxygen monitor, 100+ sports modes, IP68 waterproof, and much more….