35. Enhancements in Collaboration, Sharing, and Playback Features 内容搜索此知识库...35. Enhancements in Collaboration, Sharing, and Playback FeaturesUser webinarTutorialsAll knowledge basesHow does the biofeedback test work in the test list feature?You select items, then tap 'perform test now.' The system sends frequencies and gives a real-time thumbs-up (positive response) or thumbs-down (negative response).00:40:55