... HELICOPTER, iPhone controlled helicopter, 3.5CH R/C with Gyro I-HELICOPTER, iPhone controlled helicopter, 3.5CH R/C with Gyro (iPhone, iTouch, iPad)iPhone helicopter ... can be switched on/off ) Real life helicopter styling 3 channel digital proportional controlHelicopter size: 19x4. ... 2x9.5cmControl distance: 10mBattery for helicopter: Li-PO 3.7VFlying time: 5-7minsCharging time ...