This Helicopter in small size is controlled via your iPhone, iPad, iPod Touch or Android phones. The coaxial structure helps the helicopter to fly stably. A full alloy body increases the strength of the helicopter and prevents damages upon crashes. The App can control all 3 models. Furthermore the App features a band selection (A/B/C) which makes it possible to have 3 Helicopters flying in the same area. Each package comes with a USB cable to charge the transmitter and the Helicopter.