Some Puck questions

Hi, hopefully this isn't question overload:

1. Is is permissible to use a puck/pico in a commercial product as long as I mention that it uses it?
   
2. Is it possible to change a Puck's bluetooth broadcasting name to an arbitrary string?
   
3. Is it possible to prevent the puck from broadcasting its name, but allow connections using its MAC/Name/ whatever?
   
4. What is the range on a Puck?
   
5. For question 1 + 2, if they can't be done on a puck, could the be done with a Pico using a bluetooth shim+MC?
   
6. Would a pico with bluetooth have a longer range?
   
   

I've got a project in mind that is slowly crystallising, but I want to understand limitations before I dive in.