Shelly TVR BLT also Zigbee?

I have a lot of issue with my Shelly TVR BLT, a lot of them are unresponsive, unable to even calibrate or update... tried to contact Shelly but no help so far...

However reading the manual they talking about Zigbee?!

Is that for a different model or all Bluetooth are also Zigbee compatible? I'll tried to pair them with Z2MQTT but I can't seems to find them, they not listed in they supported device anyway