Many smartphones and tabkets nowadays are featuring an NFC-Chip - this of course also includes Huawei devices. NFC means Near Field communication and is a radio technique, which allows us to pay cashless by holding the device in front of the terminal to transfer data.

Android 10 | EMUI 10.0
NFC -  Open the  settings
NFC -  Tap on  More connections
NFC -  Tap on  NFC
NFC -  Activate or deactivate  NFC
  1. Open the settings
  2. Tap on More connections
  3. Tap on NFC
  4. Activate or deactivate NFC

Huawei Instructions