1 and NFC have different functions. Mi band NFC version will have this function. With this function, you can directly swipe the bus card, or you can directly swipe the access card of the community, or you can directly swipe Alipay. This function is not supported by the normal version of Mi band, but it is not used frequently in daily life, so you don't need to buy this version.
2. The battery capacity is different. The NFC version of the mi band is smaller than the regular version of the mi band. The NFC version of Mi band is equipped with 125mA battery, and the ordinary version of miband is equipped with 135mA battery.
3. The battery life is different. The battery life of the NFC version of mi band is 15 days, and that of the regular version of MiBand is 20 days.