MJX X904 X-SERIES Inverted Flight 2.4G 4CH 6-Axis 3D Flip Headless Mode RC Quadcopter RTF. MJX X904 Description: Brand Name: MJX Item NO.: X904 Color: Silver Gray Frequency: 2.4GHz Channel: 4-Channels Transmitter: GR-902 Copter battery: 3.7v 380mAh Flight distance: about 40m Flying time: About 6mins Charging time: About 60mins Main rotor diameter:50mm Package weight :0.283kg […]