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Tri-Color USB Controlled Hemisphere Alarm Light with Buzzer : ID 5126 : $79.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Photobooth Fernauslöser via USB Buzzer programmierbar | Studio-Ausrüstung.de
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BUZZER WITH USB CABLE 1.5M IP54 - apex catalogue
Yocto-Buzzer - USB sound signal generator
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Bumpboxx Retro Pager Beeper Portable Bluetooth Speaker
Tri-Color USB Controlled Hemisphere Alarm Light with Buzzer : ID 5126 : $79.95 : Adafruit Industries, Unique & fun DIY electronics and kits