Survey of Auto-Volume Headphone

Thank you for helping us with the survey!

Q1:Wouldyou use headphone in relatively noisy environment (e.g. on a bus)?

yes

Q2:Areyou willing to be informed of the volume at the time you are listening tosomething?

yes

Q3:Whichfunction(s) do you prefer on your headphone?

Showingthe surrounding noise level

Automaticallyadjust the volume to a comfortable level with the environment (in suitablerange)

Alarming(beep!) when current volume may damage ears (only once)

Noneof the above

Q4:Howmuch money are you willing to pay for the above functions?

Below$20

$20-$40

Above$40

Q5:Is there any other function you want on the earphone?(not necessary)

选项1

Survey of Auto-Volume Headphone

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1年前

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