Just listen to that scooter engine purr. Segway released a strappable speaker that can simulate engine noises for its e-scooters and e-bikes. They’re describing it as an “engine sound simulation ...

Electric scooters that hum daintily along may be all well and good, but on some occasions a rider might be extremely keen for a pedestrian to know that a scooter is barreling toward their behind. As a ...