We’ve seen many conceptual foldable scooters. But Voltitude fold-up electric scooter is not a concept any more. The company has started its mass production for retail sales at both online and physical stores in Switzerland. The 4000 EUR fold-up electric scooter can run at the speed of 25 km/h. Once folded, a special button on the handlebar allows you to roll it alongside when you walk indoors. Watch out the rest of details in images below. [via]