Battery: The robot can play for 60 minutes after charging for about 120 minutes! You can easily charge it using the USB cable that comes with the robot. Use a 5V output charger with the included USB cable to charge the robot. Patrol Function: After the patrol function is activated, the fun robot toy will move freely to observe. With its built-in sensor, the intelligent robot can detect and avoid obstacles. Programming: The robot toy can input 50 motion commands and demonstrate a set of actions that the child enters through the remote control. Sing and Dance: The Robot Toy can sing 5 songs with slow movements and eye light flashing, then dance with music. Gesture Sensing: The sensor receiver zone on the chest can respond quickly after receiving various gesture commands and move forward, backward, left and right accordingly.