... 10-15(USD) SYMA S107 3ch rc helicopter(Syma HELICOPTER,syma helicopter,syma helicopter) easy to fly .1,Syma Helicopter Function: up&down, go forward&backward ... could be orientation exactly, lock the tail and keep stop on the air.2,Syma Helicopter Battery: 3.7V130mAh Li-po ... by transmitter;4,This rc plane Flying time: 7-8 mins;5,Rc helicopter Control area: more than 10M;8.Rc helicopter strong point: It ...