Vayyar Care is a product that works with Alexa devices and requires an Alexa Together subscription. Amazon is currently offering an Alexa Together subscription cost-free for the first six months. You can sign up for Alexa Together via your Amazon account.
Once you’ve subscribed, follow Amazon's instructions to get set up with Alexa Together. Then follow the in-app prompts within the Vayyar Care app , enter room dimensions and link your Vayyar Care account to your Alexa account.