SainSmart Jr. Genuine VC-01 Voice Command Car, Voice-Activated Racing Car with Smart Watch Radio Control, Green VOICE COMMAND/BUTTON CONTROL: 5 button control modes. 8 voice-activated modes (English Speaking). AWESOME STYLE: drifting rc car with dazzling headlights and exciting brakes. So cool to play on the street. 3 SPEED GRADES: low speed 4KM/H, high-end speed 8KM/H HIGH QUALITY MATERITAL: rechargeable battery, play time up to 25 mins ~ 35 mins. Anti-scratch, don't worry about knocking into the wall. VOICE COMMAND LEARNING SKILL: Hi-tech toys, motor skill of science and technology. Encourage visualization, exploration, and creativity.