Mini Cartoon RC Small Car?Car Built-in lithium battery USB charging, support USB charging, worry-free battery life, duration endurance time of 60-120 min. Distance remote control need a section 7th battery ( not included). Silicone Strap?Watch size- (9.2*2.6*2 in) Racing size- (2.1*1.3*0.9 in) Remote control watch car is comfortable and skin-friendly, durable and safe, comfortable and easy to wear, you can adjust the strap tightness at will. 2.4G Remote Control?The RC racing car has a wireless control system that runs in a 2.4GHz Frequency, provides excellent endurance and fast speed, 25-30m control distance. Special Design?Equipped with USB charging cable. With dustproof cover,the watch comes with a dustproof cover, and the cover is opened with one button to protect the car from damage. Easy to Control. Sensitive Induction, forward/backward, You can easily control. Fine and soft surface treatment, no burrs, wear-resistant and impact-resistant.