The hoverboard has two electric motors which provide 700 watts of power. The 2 x 350W powerful motors will give you the Speed and the Control that you deserve, with the best Technology that we call \"BRUSHLESS\". No matter if you are a 6 years old or a 46 years old, the 15km/h will guarantee you the adrenaline for the day ahead of you. Smart Balance is about Environmental Friendliness and that\'s shows up in the power supply that we use, electric energy. With this model you will get 36V 4Ah Samsung Cells that will make it perfect when you will ride your hoverboard and have the feeling that the journey will never stop. The battery range depends on the wight of the driver and the type of surface you are driving on as much as the angle of the ramp (if any) and the speed at which is it ridden. You will need a full recharge of your Hoverboard after 15 km, so this will take about 2-3 hours to get back on the road. It’s great because is Easy to Transport, either with the Carrying Bag that is provided, either a bare Hand. You can take it Everywhere and Recharge it fast and easy. Our professional engineers tested the Hoverboard and it can take up to the Maximum weight of 120 kg. Right Now we have the best self-balancing system on the market, we never stop upgrading our devices and by testing and upgrading we manage to give this device a tilt ability of 45 degrees, for the biggest hills that you will ever encounter. The motherboard system is the computer of the hoverboard and regulates that everything is controlled correctly. You control the hoverboard by body movements and balance. By moving you tell the hoverboard if you want to go forward or backwards and when you want to turn. The fun part begins when you meet with your friends and connect your Build-in Speakers via Bluetooth to a phone and play the tracks that you love. Thanks to the Bluetooth connection, the Speakers help you ride relaxed, listening your favorite music. The hoverboard is equipped with LED lighting so you are clearly visible in the dark cause the fun never stops but the safety will be always on the first place. And take into consideration that our IP54 grade certificate represents non-tight protection against dust and microscopic residues As well as aProtection against spray water with any inclination. Regular 6.5 Specifications:Engine power: 700W with the best TechnologyOriginal Voltage Batteries: 36V 4Ah Samsung cellsMaximum speed: 15 km / h