Describe how a company that produce earphones can design a survey

First of all this survey need to be anonymous. The company need to know the population whom the survey is addressed. So, I think the following questions can be a good example:

1. Where do you usually use earphones? (Please select all that apply)

library 
home
transportation
kitchen
driving/riding
Other

2. What are the purposes you use earphones? (Please select all that apply)  learn language
listen to music
watch video
privacy concerns(show ‘don’t bother me’)
for beauty
Other

3. What kind of earphones you like the most?
 
circumaural
supra-aural
earbuds
in-ear 

4. What are the reasons make you like the earphone you chose in question 3? (Please select all that apply)
 
appearance
comfortability
function(plays music well) 
brand 
price 
portability 
Other

5. Have you ever felt vulnerable or unsafe while wearing headphones and listening to music because you are not as aware of your surroundings?
 
yes 
no