How much money do you spend on earphones
What kind of headphones do you like to wear？
in-ear
head-mounted
half in-ear
other
what is the main purpose for you to buy the headphones
entertainment (watch video,listen to music)
work or study
receive calls
Will you choose a brand when you buy headphones
What is the most important factor for you to buy headphones?
design
quality
function
price
other