The NFC Mi band 6 fitness band has all the features found in the base model; a 1.56″ AMOLED display, an SpO2 blood oxygen monitor, night mode, Sleep breathing quality monitoring, flashlight, 30+ fitness modes, heart rate monitor, sleep tracking, breathing exercises, 12-day battery, 5 ATM waterproof among others. NFC(Near Field Communication) is a standard that allows for short-range communication between devices. It’s mostly used in pairing devices such as smartphone and Bluetooth speaker and more importantly digital payments. Related post: Mi Band 6 review: A bigger screen and SpO2 monitor makes this Xiaomi’s best fitness band yet Xiaomi has partnered with MasterCard to bring NFC contactless payments across Europe. NFC payments offer a fast, secure, and convenient way to pay for groceries, public transport, hotel and restaurant bills among others.