Useless piece of equipment if you ask me.
And btw the phone needs to be OFF for takeoff and landing, and maybe used in flightsafe mode in other flightphases!
So how is your device going to get powered if it needs to be OFF.
Some airlines have modified their aircraft so phones can be used, in that case there is no need to use flightsafe mode.
Hope your device won't make a ticking sound!!!!
