... 2.4G RC helicopter with built in GyroFreely flying up, down, forward, backward, left to fly, right to fly, hovering with rapid responseGyroscope ... with a LCD display for easier and more precise operationHelicopter battery can be charged via USB Cable or the transmitterFully assembled, ready to ... * Lipo battery1* Lipo batter charger1* User manual 4CH Remote Control Helicopter RC Toy V911 O-844