Air fryers that gather your personal data and audio speakers “stuffed with trackers” are among examples of smart devices engaged in “excessive” surveillance, according to the consumer group Which? Smart air fryers allow cooks to schedule their meal to start cooking before they get home. Not all air fryers have such functionality but those that do often use an app installed on a smartphone. It is due to outline clear expectations for what they need to do to comply with data protection laws and protect people using smart products. “The permission to record audio on Xiaomi Home app is not applicable to Xiaomi smart air fryer which does not operate directly through voice commands and video chat.”Aigostar was approached for comment.