Five months after launching the Haylou RS4 smartwatch, the Haylou-Xiaomi sub-brand is back again and brought us a new upgraded version called Haylou RS4...
Haylou RS4 Plus and Haylou RS4 are the latest smartwatches from Haylou-Xiaomi Sub Brand. Both are fitness tracker smartwatches that can manage health status...
After three months of launching the Haylou RS3 smartwatch, the Haylou-Xiaomi sub-brand is back again and launched a new brand smartwatch called Haylou RS4....