Yes, if the 2.4G wireless firmware version is 0.2.0 or above, and the receiver firmware version is d.3.0/c.3.0 or above.
You can flash your 2.4G keyboard and receiver to the latest firmware version in order to support the above-mentioned function.
Here is how to use Keychron Firmware Updater Tool to check the keyboard/receiver firmware version: https://www.keychron.com/pages/keychron-v-max-q-max-k-max-series-bluetooth-firmware Latest 2.4G wireless firmware update tutorial:
https://www.keychron.com/pages/keychron-v-max-q-max-k-max-series-bluetooth-firmware Latest 2.4G receiver firmware update tutorial:
*Our B Pro series keyboard (ie: B1 Pro, B6 Pro etc.) supports 2.4G encryption by default, so you do not need to update the
firmware in order to get it encrypted. And please DO NOT flash it with the firmware in the link above).