I bought one of these the other day:
I got the zigbee version and it works well with zigbee2mqtt.
You can change the labels of the switches and also the colours as well. It has physical relays in it so you can hard wire switches and lights to it but you need a neutral wire.
I am just using it with the mqtt topics to fire off events when the switch is press. So far so good.
It lights up when you wave your hand in front of it.
I saw it here:
The device in the video is a matter device and he is using home assistant but it works in openHab.