Equipped with a high-strength shock-absorbing spring, which has a super shock-absorbing capacity and no noise while driving. Provides you great performance with 3-speed modes and up to 13.7 miles long-range with a rechargeable 42V sealed lithium battery system in all scenarios. Takes only 4-5 hours to fully charge. DK1 Electric 300W Dirt Bike, for 3 Years to 13 Years Blue DK1 36V Electric Dirt Bike designed for kids aged 3-13 Super shockproof performance with a high-strength shock-absorbing spring for a quiet ride Long-range battery providing up to 9.3 miles of performance with a rechargeable 36V sealed lithium battery system Fast charging capability, taking only 4-5 hours to fully charge Safe speed modes: Low (5.0 mph), Medium (7.5 mph), and High (15.5 mph) for an optimal riding experience