Questionnaire

Questionnaire about eco-friendly headphones

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Q1, How many headphones have you personally owned?
Q2, What's the last time you buy a headphone?
Q3. How well do you know about eco-friendly headphone?
Q4. How much percent are you willing to pay for sustainable feature headphones?
Q5. What certifications do you know about recycled materials?
Q6. What do you think are the characteristics of eco-friendly headphones? (Multiple choices)
Q7. Which factor of eco-friendly headphones would make you willing to pay an extra cost?
Name