This USB rechargeable 3-CH palm-size mini R/C helicopter set is easy to fly with simple operation for beginners. The 3-channel helicopter is easy to control and with great performance. There is built-in gyroscope for smooth flight. The 3-channel helicopter is perfect for you if you love helicopter and you are a beginner. - Easy to fly with simple operation designed for beginner - Easy to control and great performance - The control range of the R/C helicopter is 5~10 meters - 5 to 10 minutes typical flight time per charge - Battery: 3.7V 130mAh rechargeable battery - Transmitter: 6 x AA batteries (not included) - Helicopter can be recharged by any USB port (USB cable included) - Helicopter also can directly recharged by remote controller - Built-in gyroscope for smooth flight - Standard accessories: - 1 * USB cable - 2 * pack of spare main oars - 2 * pack of spare tail oars - 1 * Screwdriver