Youfang Smart is smarter, tech, and healthier We are the sales No.1in the toy industry, specializing in the development of science and technology, technology, education and teaching enterprises. This rctoys is a new, very intelligent rctoys designed by our institute, but also the enlightenment of children and engineers to learn and educate, we will release more technology, education, health new products from time to time, can be used as children"'"s toy gifts, adult learning demoboard.I believe you will like our rctoys.Educating Robot Smart Robots Dance Voice Command Sensor Singing Dancing RC Handle Smart Toy for Kids Boys and Girls Talking Toys Description: As your hand moves, the gesture sensor will detect such movement and make the robot advance, retreat, turn left / right. Interestingly, as it patrols forward and meets an obstacle in its way, it will move backward and then turn left / right. you can program a series of movements, and see the robot execute them rhythmically with dynamic music. Specifications: Product name:SMART ROBOT Color: Blue, Red,Yellow Battery of Robot: 3.7V 500mAh Lithium Battery Charging time: 120 minutes Game time: 45 minutes Battery of Remote Control: 2 * 1.5V AA Batteries (not including) Product size:27CM*11CM*8CM Package size:20CM*30CM*9.5CM Charging mode:USB charging Product Functions: Slide Forward/Backward, Walk Forward/Backward, Turn Left/Turn Right, Gesture Sensor, Dancing and Singing, Patrol and Obstacle Avoidance, Intelligent Programming, Auto Display, Mechanical Language, Volume Package list: 1X RC Robot(Built-in battery Included) 1X Remote Control(Batteries not Included) 1X Charging Cable 1X User Manual