Welcome to the newest, coolest, and most cost-effective way to play with radio-control vehicles. Hyperchargers RC is the next generation in radio control! All hypercharger models are equipped with a built-in lithium-ion rechargeable battery and attached USB plug for easy "on the go" recharging. Simply plug the USB adapter into any powered USB port such as a computer, gaming console, or smart phone adapter to charge and you're back on the road! The controller includes two AA batteries so each car is ready to race right out of the box. Each charge will last 25 minutes and can be charged up to 1, 000 times! Not only will it save a bundle on batteries, it's also much more friendly to our environment. Be the first to the finish line with HyperChargers RC! Details:15.5" x 6.75" x 6.25"Built-in lithium-ion rechargeable batteryRemote controller includedIncludes 2 AA batteriesRecommended for ages 6 and up.WARNING: CHOKING HAZARD -- Small parts. Not for children under 3 yrs.