Cheapest!!![36km] LongYin Electric Unicycle Self Balancing Gyroscopic Airwheel Single Wheel Scooter / Bicycle Self Balancing Bike

Type A (Classic): 1.5A battery， X3 nylon pedal， plastic switch
Type B (Bluetooth speaker + double lights): 1.5A battery， X3 nylon pedal， plastic switch， and bluetooth stereo， double warning lamps lighting design