Crazyflie 2.1+ version - Open Source Mirco Quadcopter Drone,Support Bluetooth5 LE,Robotics,Suitable for Indoor/Small Space/High Density

The Crazyflie 2.1+ version is a versatile open-source flying development platform that only weighs 27g and fits in the palm of your hand. Crazyflie 2.1 is equipped with a low-latency/long-range radio as well as Bluetooth LE. This gives you the option of downloading our app and using your mobile device as a controller or, in combination with the Crazyradio PA, using your computer to display data and fly with a game controller.