While Xiaomi has been stingy with the teasers, a leak shows several new features on the Mi Band 5 that will entice you to pick it over the new NFC-enabled Mi Band 4. The 5 will have NFC functionality as well, enabling mobile MasterCard and public transport payments. NFC and mobile payment support Exercise modes The band will also have stress and breathing management features, likely tied into the new SpO2 sensor. There will be a stress meter as well as breathing exercises to help you relax. Additionally, there will be a Do Not Disturb mode, which silences alarms for a limited...
Source: https://www.gsmarena.com/xiaomi_mi_band_5_images_show_mobile_payment_support_avengers_watch_face-news-43610.php