We would love to hear your thoughts and feedback to further improve our service.

1. What is your Gender?

2. Which age group do you belong to?

3. What is your profession?

4. Do you follow news or knowledge on brainwaves?

5. How did you know our product?

6. How long have you been listening to brainwaves in our application?

7. When do you usually listen to brainwaves?

8. What kind of brainwaves do you prefer?

9. How do you feel about the brainwaves in our application?

10. Do you always follow promotions or update information of our app?

11. Would you like to recommend our app to your friends? (or already recommended)

12. What other brainwaves would you like to see in our App?

13. What else would you like to tell us?

14. Your email address: