Communicators (also known as Bluetooth helmet intercoms) can make any ride safer by connecting riders together or providing tunes. Redditors frequently praise Sena and Cardo brands of communicators. Be wary of trying to retrofit an unintended bluetooth system into a helmet that was never meant for such systems - this could compromise both its fit and safety. https://michaelbrodiehelmetelover.blogspot.com/search?updated-max=2024-10-08T19%3A42%3A00-07%3A00&max-results=5#PageNo=6