The new Hummer 8.5'' solid rubber two wheels hoverboard is 2017 world best ranked hoverboard including top list in North America and Canada. It is an absolute blast to ride. This would be the tank of all hoverboards as it is virtually indestructible. Its design is military based and so is its composition. It has been tested for various stress tests including drop and heat tests, and it will not be damaged on the inside due to its very rigid structure. Its 8.5 inch tires have been carefully crafted to adapt to any terrain including mud, sand, iace, snow, gravel, rocks, pavement, and grass. It comes with the latest Bluetooth technology that allows you to play Music directly from your mobile device through the built in speakers.FeaturesBlack Hummer design8.5" Solid rubber wheelsTop speed of 15 km/hrBuilt in bluetooth and speakersSpecificationsLithium-ion Battery 4.4 Ah, 37V 162.8WHMotor Dual 350 W Motor with Dual Independent GyrosDistance on full charge 15m/10 milesCharging Time 3 to 4 HoursInput DC 42V=1.5AMax Speed 15km/h /9MPHDriving Mode Three (3) Selective Speed ModesMax Loading 90kg/196 LBSMax Climbing Limit 15 degreeTemperature -10oC to 50oC /14oF to 59oFWater Resistant IPX4Frame Material Aluminum with Plastic ComponentsWheel size 220mm/8.5 inchProduct Dimensions 700X220X230 mm/27.5X8.7X9.1 inchNet Weight 14.5 KGS/32LBSPackage Contents1 Electric Self-balancing Scooter Hoverboard1 Charger1 English Manual