What's your age?
under 9
10 -19
20-29
30-39
40-49
over 50
The frequency of use of the headphones or earphones?
Every days
Several times a week
Never
Price you use headphones
under 50
50-100
100-150
150-200
over 200
Will you do regular maintenance of your headphones and earphones?
How often do you replace your headphones and earphone?
several monthes
about 1 year
over 2 years
The reason why you discard your headphones or earphones?
A headphone has malfunction
Two headphones have malfunction
Not fashion
Pets biting