What feature associates event data collected from users with their Google accounts, given they have consented?

The feature that associates event data collected from users with their Google accounts, provided they have given consent, is Google signals. This feature is part of GA4 and enhances cross-device reporting by utilizing users' signed-in data from their Google accounts. When users opt-in, it allows for better understanding of user behavior across devices and sessions. This capability significantly boosts the accuracy of tracking and analytics, as it enables businesses to see more comprehensive insights about how users interact with their content across multiple platforms.

The other options do not facilitate this specific association between event data and user Google accounts. Data Import pertains to bringing external data into GA4 but does not link events to individual accounts. Audiences relate to grouping users based on specific conditions for targeted marketing but do not directly associate event data with Google accounts. Event Tracking simply refers to monitoring user interactions or behaviors without the element of linking to user accounts. Thus, Google signals is the correct choice for linking consented user data to their Google accounts in the context of GA4.