Activate this bracelet with 24 speakers — developed by married University of Chicago professors — and Alexa can't eavesdrop – Chicago Tribune
![This “Bracelet of Silence” actively blocks Alexa and Siri from hearing your conversations - Yanko Design This “Bracelet of Silence” actively blocks Alexa and Siri from hearing your conversations - Yanko Design](https://www.yankodesign.com/images/design_news/2022/08/sony-game-controller-lets-you-switch-from-real-to-unreal-gaming-on-the-fly-promises-fully-immersive-experience/Sony-Playstation-Unreal-Control-gaming-controller-10-510x314.jpg)
This “Bracelet of Silence” actively blocks Alexa and Siri from hearing your conversations - Yanko Design
![This “Bracelet of Silence” actively blocks Alexa and Siri from hearing your conversations - Yanko Design This “Bracelet of Silence” actively blocks Alexa and Siri from hearing your conversations - Yanko Design](https://www.yankodesign.com/images/design_news/2020/02/auto-draft/smart_mic_jammer_1.jpg)
This “Bracelet of Silence” actively blocks Alexa and Siri from hearing your conversations - Yanko Design
![Pedro Lopes on Twitter: "@nytimes on our Wearable Microphone Jammer (see it in action here: https://t.co/VNkeSge8C8). it uses ultrasound to disable surrounding microphones from recording you; lead by Heather Zheng & @ravenben Pedro Lopes on Twitter: "@nytimes on our Wearable Microphone Jammer (see it in action here: https://t.co/VNkeSge8C8). it uses ultrasound to disable surrounding microphones from recording you; lead by Heather Zheng & @ravenben](https://pbs.twimg.com/media/EQwzMzQX0AAiz_K.jpg)
Pedro Lopes on Twitter: "@nytimes on our Wearable Microphone Jammer (see it in action here: https://t.co/VNkeSge8C8). it uses ultrasound to disable surrounding microphones from recording you; lead by Heather Zheng & @ravenben
![Scientist builds bracelet that jams microphones on smart speakers like Alexa and Siri | Daily Mail Online Scientist builds bracelet that jams microphones on smart speakers like Alexa and Siri | Daily Mail Online](https://i.dailymail.co.uk/1s/2020/02/17/18/24848896-0-image-a-25_1581963453523.jpg)
Scientist builds bracelet that jams microphones on smart speakers like Alexa and Siri | Daily Mail Online
![This “Bracelet of Silence” actively blocks Alexa and Siri from hearing your conversations - Yanko Design This “Bracelet of Silence” actively blocks Alexa and Siri from hearing your conversations - Yanko Design](https://i.ytimg.com/vi/-43-4LfqiTA/hqdefault.jpg)
This “Bracelet of Silence” actively blocks Alexa and Siri from hearing your conversations - Yanko Design
![Joe McCartney on Twitter: "Activate This 'Bracelet of Silence,' and Alexa Can't Eavesdrop. Very Maxwell Smart tech. 📷New York Times. https://t.co/qtfTOsmim4" / Twitter Joe McCartney on Twitter: "Activate This 'Bracelet of Silence,' and Alexa Can't Eavesdrop. Very Maxwell Smart tech. 📷New York Times. https://t.co/qtfTOsmim4" / Twitter](https://pbs.twimg.com/media/EQ0hvSmXsAAHKgu.jpg)
Joe McCartney on Twitter: "Activate This 'Bracelet of Silence,' and Alexa Can't Eavesdrop. Very Maxwell Smart tech. 📷New York Times. https://t.co/qtfTOsmim4" / Twitter
![Scientist builds bracelet that jams microphones on smart speakers like Alexa and Siri | Daily Mail Online Scientist builds bracelet that jams microphones on smart speakers like Alexa and Siri | Daily Mail Online](https://i.dailymail.co.uk/1s/2020/02/17/17/24846676-0-image-a-8_1581960077970.jpg)
Scientist builds bracelet that jams microphones on smart speakers like Alexa and Siri | Daily Mail Online
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Amazon.com: HGDEER Breast Cancer Gifts for Women, Motivational Encouragement Inspirational Gift Breast Cancer Awareness Bracelets: Clothing, Shoes & Jewelry
![This “Bracelet of Silence” actively blocks Alexa and Siri from hearing your conversations - Yanko Design This “Bracelet of Silence” actively blocks Alexa and Siri from hearing your conversations - Yanko Design](https://www.yankodesign.com/images/design_news/2020/02/auto-draft/smart_mic_jammer_3.jpg)