No wireless, but nfc
The Redmi K40 does not support wireless charging. The Redmi K40 is a smartphone from Redmi, released on February 25, 2021.
The K40 is equipped with a Snapdragon 870 processor, 4520mAh battery, X-axis motor and Dolby Panoramic dual speakers, and supports NFC, infrared and 33W fast charge.
Redmi k40 does not support wireless charging, Redmi series has not yet supported wireless charging mobile phones, Redmi k40 only screen resolution of 2400 X 1080, support dual card dual standby, infrared remote control, NFC, WiFi 6 and other functions.