https://www.easyfit-controls.com/easyfit-for-bluetooth-systems/
Easyfit for Bluetooth systems - Easyfit by EnOcean
Self-powered and wireless switches with Near Field Communication (NFC) make it possible to install lighting applications easily and flexibly.
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https://cardosystems.com/
Bluetooth Headsets & Speakers for Helmets | Cardo Systems
Explore our Bluetooth solutions for motorcycle helmets, including headsets and speakers. Stay connected on the road with Cardo Systems!
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https://www.espressif.com/en/products/socs/esp32
ESP32 Wi-Fi & Bluetooth SoC | Espressif Systems
ESP32 is a feature-rich SoC with integrated Wi-Fi and Bluetooth connectivity for a wide-range of IoT applications.
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https://www.exton.se/tag/bluetooth-working/
Bluetooth working | Exton Linux | Live Systems
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https://www.espressif.com/en/news/ESP32_H21?position=4&list=PMnk5oskowMSC82WtY7GgS2KyagZpmNYHKHBetCWhAo
Espressif Announces ESP32-H21 for Low Power Thread and Bluetooth LE Devices | Espressif Systems
As an incremental update to the ESP32-H2 platform, ESP32-H21 integrates an on-chip DC-DC converter to further reduce active current consumption, extending...
https://www.techdigest.tv/2007/06/philips_launche_6.html
Philips launches Bluetooth-friendly home audio systems - Tech Digest
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