Product color: yellow, green, red,blue Product battery: 3*AAA (not included) Product functions: voice remote control, touch interaction, recording, voice change The default language of this product is English. Voice commands: hello, forward, back, turn left, turn right, play music, dance, go around, you are so cute, goodbye Dynamic music mode: The product comes with multiple songs and dance music to train the baby's interest in music Fun and cool lighting: robot eyes with colorful LED lights, a variety of lighting color changes, full of fun Smooth and no burrs: Made of environmentally friendly plastic, the robot's corners are smooth and no burrs, so children can play safely. Flexible roller: imitating wheel-type roller design, which can move forward and backward flexibly. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.