This is the $40 speaker-silencing gadget people are using to shut down China's crowds of dancing grandmas
![Revenge your neighbor's party by jamming any Bluetooth speaker. Creating a Bluetooth jammer with just 9 commands without any special hardware Revenge your neighbor's party by jamming any Bluetooth speaker. Creating a Bluetooth jammer with just 9 commands without any special hardware](https://www.securitynewspaper.com/snews-up/2020/12/bluetoothfeat.jpg)
Revenge your neighbor's party by jamming any Bluetooth speaker. Creating a Bluetooth jammer with just 9 commands without any special hardware
![This is called a speech jammer. It inhibits most people's ability of talking by recording their voice and playing it back to them with a delay of about 0.1 seconds. This effect This is called a speech jammer. It inhibits most people's ability of talking by recording their voice and playing it back to them with a delay of about 0.1 seconds. This effect](https://i.redd.it/aogliqrkppq61.jpg)
This is called a speech jammer. It inhibits most people's ability of talking by recording their voice and playing it back to them with a delay of about 0.1 seconds. This effect
![Music Killer Speaker Jammer Audio Dual frequency Pulse Wireless For Outdoor Subwoofer Heavy Bass Speaker Shielding Music Killer Speaker Jammer Audio Dual frequency Pulse Wireless For Outdoor Subwoofer Heavy Bass Speaker Shielding](https://ae01.alicdn.com/kf/S2ed730ce4c5f4cb583605c88817737f8G/Music-Killer-Speaker-Jammer-Audio-Dual-frequency-Pulse-Wireless-For-Outdoor-Subwoofer-Heavy-Bass-Speaker-Shielding.jpg_960x960.jpg)
Music Killer Speaker Jammer Audio Dual frequency Pulse Wireless For Outdoor Subwoofer Heavy Bass Speaker Shielding
![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-24_1581963453429.jpg)