Ewon Talk2M account details missing

I have an Ewon Device with Serial Number 1822-0273-22.
Talk2M account linked to this device is not known now.
Is there any possibility to check Identify the email id linked to this device?

Vel Shankar Bala

Please reach out to your local distributor for help with this. We will need to be able to verify the purchase of the device before providing info.