Whether it’s a Bluetooth speaker, WiFi speaker or soundbar: a smartphone app is often needed for the full range of functions. But what do the data collected by apps reveal about their users? And what do providers say about how they handle the data? Stiftung Warentest took a closer look at the data transmission behavior of 18 speaker apps: five for Bluetooth speakers, six for WiFi speakers It is seven for soundbars.
We also checked the associated data protection declarations of the providers for deficiencies. The result will not please people who value data protection.
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