DOC HOVERBOARD. DOC HOVERBOARD OFF ROAD. Wheel: 8 '' Battery capacity: 4.300 mAh Battery duration: 20 Km Maximum speed: 10 km\h. DOC HOVERBOARD PLUS OFF ROAD. DOC 2 HOVERBOARD PLUS BLACK. DOC 2 HOVERBOARD PLUS WHITE. DOC 2 HOVERBOARD PLUS YELLOW. DOC 2 HOVERBOARD PLUS SKY BLUE. DOC 2 HOVERBOARD PLUS RED/BLUE. DOC 2 ...