Specification: Size: 70*150cm Colour: black&silver Material: polyester+aluminum alloy..
Specification: Material: PETG mixed carbon fiber Colour: black Speed: 130000 rpm Battery capacity: 8000mAh Working voltage: 6-8.4V Charging time: >2.5h Gear: 3 gears..
Specifications: Color: White Speed Level: 5 Battery: 1200mAh Battery Life: 18 hours at first gear, 15 hours at second gear, 10 hours at third gear, 7 hours at fourth gear, 4 hours at fifth gear..