Blue Roll Over Quadcopter 2.4Ghz 6-axis Gyro RC Somersault Helicopter 9137 Built-in 6-axis Gyroscope System allow throw to fly, Ultra stable; Perfect Beginner Drone/FPV Rollover Demo Flight by Pushing Rollover button, 4 Channel Omni-directional fight: up / down, forward / backward, left / right and rollover 360 degree Eversion and throwing flight function, 3 shift rotor speed control with shift indicator 2.4Ghz spread spectrum technology: better anti-interference ability, faster reaction speed, least power consumption Adjustable Trim Control, Made of Unique Material to Withstand Crashes