UPDATE: In 2018 the fastest hoverboard is now the Swagtron T6 https://amzn.to/2RZds6O The Gyroorboard F1 hoverboard impressive design was Inspired by F1 racing cars, from its looks to it's performance, speed and sturdy structure. Best features of the Gyroor F1: An Impressive Design – inspired by F1 racing automobile design. Certified for Safety and Durability - UL2272 certified and passed CE, RoHS, FCC certification Self Balancing Technology – Self-balancing for a safer ride and easier for new riders Adjustable Speed – Adjust the max speed in the app for new riders or for kids Sturdy Structure – The body is 85% aluminum with some ABS parts Bluetooth Speaker – Play your favorite music or GPS directions through the speaker Colorful LED Lights – Set the rear lights to your favorite color or let it flash random colors Control Using App – Control the LED colors, self-balancing, child mode, anti-theft alarm, speed, etc. Removable Battery - Extend your range using extra batteries Anti-Theft Alarm - Get an alert when someone touches your F1 Solid Tires - 8.5 inch/215mm solid tires to prevent flats 350 Watt Motor - Can go up to 10 MPH and carry up to 265 lbs at a 30° incline Diagnose Problems - Use the app to diagnose any problems with the F1 IP54 Certified - Protects the innards from rain and dirt SPECS . Safety : UL 2272 Certified Hoverboards . Lithium-Ion Battery: Removable 4.4Ah/36V (LG/SAMSUNG Cells) . Motor: 350W*2 Motors . LED: Colors Adjustable by APP . Bluetooth Speaker: Pro Bluetooth Speaker . Distance on Full Charge: 7.5~9.5 Miles . Max Speed: 9.95 Miles/Hour . Charging Time: 1.5 to 2 Hours . Charging Voltage: AC100 to 240V/50-60Hz . Driving Mode: Adjustable Speeds by App . Max Load: 265 Pounds . Max Climbing Angle: 30 ° . Water Resistant: IP54 . Frame Material: Aluminum . Tires: 8.5 inch/215mm Rubber Tires . Product Dimensions: 29.6 Inch x 9.9 Inch X 8.8 Inch . Net Weight: 33 Pounds. . Handle: With Portable Handle