This cute wrist racing car watch is effectively controlled within a maximum linear infrared distance of around 30m. It is equipped with USB cable which can be connected to common USB devices and the controller is powered by 1 AAA batteries, can play about 20mins after fully charged. You can easily place the small car inside the watch and carry it easily. Kids can wear it on their wrist and play with it anytime and anywhere. Suitable for children of multiple ages. Several toy cars can race at the same time. It is also suitable for parent child interaction. Simple operation and sensitive control with two buttons to control the car forward and backward the toy is easily controlled by children. It can be a perfect gift for your kids, they will love playing. It can also help your kids learn more about sharing with friends.