Q: What is the difference between Standard and Tunable mode?

A: KZ AS24 Tunable mode has a tuning function, buyers can adjust the iem according to their preferences, for example, I really like bass, usually I will turn on four key of adjustment.

Q: Is shipping free? Is there any tax? When will the package arrive?
A: We ship for free, no tax is charged for the package, most countries arrive in about 15 days.

Q: How can I contact you about the product warranty?
A: We have a one year free warranty service, you can contact "[email protected]" for any questions.