Brand: FLY PRODUCTS
ECO 4 is a cart really SUBLIME!Try it and pass it (that's what I did ...).It is especially designed for pilots who want comfort and a peaceful flight.The Vanguard engine 1000CC 4T equipped propeller 1.60 m, produces a maximum thrust of ensuring a smooth flight, to be fuel efficient and very quiet.
It's a unical system of communication which is professional and reliable ! It is based on a principle of the holding of sounds on the vocal chords and with filtration of surrounding noise. You can have more information HERE