Can you think of anything better for those long boring road trips? Sometimes the console just is not in the right position and the dashboard may not be easily accessible or slopes too much to hold anything of importance. Sometimes it is the simple things in life that tend to make things a bit easier. Take a look at this Car Laptop Steering Wheel Desk when you get the chance.
If you discover this particular item is not for you, take a look around Amazon
Obviously the above is my effort to provide a bit of humor for such an unusual product. Please DO NOT attempt to drive any vehicle with this device attached.
This product should only be used when the vehicle is is a parked position. This product could be quite useful for those individuals that spend time in their vehicles waiting and watching. Perhaps taxi drivers on a slow night?
GOgroove FlexSMART X2 Wireless In-Car Bluetooth FM Transmitter with Charging, Music Control, and Hands-Free Calling for Android, iPhone, Blackberry, & Windows Smartphones
is more in line with what you need. Yes, that is the actual product title Amazon has assigned to this product.
This actually may be a bit more practical.