Xiaomi introduced a Redmi Band back in April that has a USB-A port for a direct charge, while sharing many of its features with the Mi Band 4. Now, the wearable has escaped China and overseas market number one is Taiwan, where it will sell as Xiaomi Mi Band 4C. The Xiaomi Mi Band 4C actually has some advantages over the Mi Band 4, despite being cheaper. We are looking at a bigger OLED screen and no extra cables or chargers due to the integrated USB-A port. The battery is supposed to live 14 days, instead of the promised 20 for the regular 4, but it is still a decent endurance on a...
Source: https://www.gsmarena.com/xiaomi_mi_band_4c_debut_direct_usb_a_charging_sub_20_price_tag-news-44325.php