A key to open,simple operation,easy to play. Below the sensor automatic induction obstacles,keep flying not fall to the ground. Abandon the traditional craft characteristics of silent,make flying more interesting. Automatic power-off protection system,let parents don't worry about their children safe and happy. Any infrared remote control can control the aircraft,press the remote control switch, start the flying ball. With the perfect combination of peal modeling,color light make the color infinite changes,more attractive to children. Built in Dynamic Music.With cool and flash light, more can attract children's attention and interest.Let the children play in the laughter. About Controller, you can use TV & Air conditioner Remote Rontroller to turn on/off the hand sensor.Please note it cann