Smooth Riding：The newly upgraded 10” pneumatic tires make the KUGOOKIRIN S4 better shock absorption and adaptability to most terrains, which brings you a smooth riding experience. 3 Speed Modes：Easily switch between the three riding modes with two clicks on the touchable dashboard. Ride the way you want! Thumb-Throttle：The thumb throttle has moderate resistance and responsiveness, which is convenient for riders to control the driving speed and fully enjoy the fun of riding. One-Step Folding：KUGOOKIRIN S4 can be easily folded and carried around in 3 seconds Lightweight & Durable：With better thermal conductivity and corrosion resistance, the Aerospace-grade aluminum alloy material makes the KUGOOKIRIN S4 lightweight yet durable. Dual Brake System: The front and rear Disc Brake System with EABS provide both stability and steerability.