Built-in the latest generation of infrared sensor, which is installed at the bottom case of the bee aircraft, making it more sensitive. Light weight-more safer and smoother when playing. Equipped with shinning colorful LED lights, for playing at night too.2. Kids can turn on the switch,it will fly automatically about 3 seconds later after holding the head or tail of the bee vertically. One or two hands infrared sensor control; it will stop flying when it touches other objects；3. Flies up to 15 feet. Charging time-about 25 minutes. Play time-8 Minutes.4. This is a absolute fun gift not only for kids ,but also a amazing toy for on the go parents. A way to have fun with your children after work or on the weekends! A kind of children happiness too! Product features: induction suspension ~ aircraft, palm control, automatic take-off in three seconds, automatic power off when stuck, flexible fan blades, not easy to break, built-in lithium battery, USB charging