Yes, the massager can easily be placed high up on the neck -- and up the rest of the head or down the back. You may want to adjust the speed level if it's too intense. Regardless, I've never had a massage therapist who could get that deep without tiring very quickly. Via the massager!

No, This is not wireless.

It could work but you will have to buy an adapter to connect the US cord to the Egypt outlet, and this dosent come along with the package.

Resteck is a USA located company and manufacturing also out of the USA like EU-China, and Resteck is offering a LIFETIME WARRANTY on all their products.

Yes, there is a 4 buttons on the Massager one is the on-off button one is the power level of the Massage and one button is to turn on-off the Heating and one button is the direction of the massager you could make it turn left or right.