Ninebot Trolley Hanle for One-Wheel Self-Balancing Scooter One Unicycle Ninebot One is an intelligent and fashionable personal transportation tool with interactive function. Max speed of 18-22km/h, max range of 30-35km 120W standard charger and 320Wh high-capacity battery Fashionable and futuristic design Typical climbling level of 20 degree