Product length width height: 16*8* 26.5cm 

Remote control battery: 2*1.5VAA battery (not included) 

Battery: 1*3.7V 500mAh lithium battery 

Charging time: about 1.5 hours 

Remote control time: about 40 minutes 

Forward, back, left, right, forward and back on foot. Gesture sensing. Singing and dancing, programming, volume control, machine language.