Škoda DuoBell: a bicycle bell that can be heard through noise-canceling headphones https://www.skoda-storyboard.com/en/skoda-world/skoda-duobell-a-bicycle-bell-that-outsmarts-even-smart-headphones/ The research is free to download: https://cdn.skoda-storyboard.com/2026/04/Skoda-DuoBell-Research-final_cf127752.pdf #Cycling