Deepnet SafeID OTP hardware token is one of OATH-compliant tokens officially supported by Azure MFA on-premises server and Azure MFA cloud service. It is being widely used by Office 365 and Azure AD customers.
Deepnet also supplies a USB key, Deepnet SafePass, and a software token, Deepnet MobileID, that are also supported by Azure MFA.
Hardware Tokens for Azure MFA & Office 365