The 48V 500W high speed brushless motor provides more than enough to power your daily commute, a cruise through city streets or climb over little hills. With speeds up to 20 mph, It will get you there swiftly. With the 48V 7.8Ah Lithium-Ion battery, you can reach a range of up to 18-20 miles per charge. Plenty for a day’s adventure. This electric bike inspired by the shape of dolphins, has super cute and smart design. IPX5 Waterproof range protects your trip on rainy days. It also adopts innovative aluminum alloy frame, double layer aluminum alloy wheel.