Control by iPhone/iPod Touch/iPad Controlled 3.5CH I-Helicopter 777-170 with Gyro Silver Flight time: 8~10 minutes . Flight area: 6~10 meters . Frequency: A / B / C . Transmitter rechargeable battery: 85mAh . I-Helicopter rechargeable battery: 3.7V 240mAh . Charging time: 40 minutes for I-Helicopter, 1.5 hours for transmitter . Transmitter working time per charge: 2 hours . Product Size: 194.29.5 (cm) . Main wing diameter: 180mm . Color: Silver&Black . Case material: Plastic + alloy . Extra Info . Operating instructions: 1.Go to APP store. . 2.Search i-helicopter down load & install. . 3.Click GO. . 4.Turn on the helicopter. . 5.Go into icontroller interface. . 6.Insert transmitter. . 7.Turn ON. . 8.Dial phone volum to maximum. . 9.Move throttle stick. . 10.Trimmer adjust. . 11.Direction control Package Includes . 1 x Helicopter . 1 x Transmitter . 1 x USB charging cable . 1 x Spare tail propeller . 1 x Link connecter . 1 x Spare rotor blades . 1 x English manual.