藍牙® 運動型耳筒

很抱歉，常見問題解答尚未有中文版本。以下為英文的常見問題解答。

Top-10 FAQs 十大常見問題

• How to clean the product?
• When the volume of my in-ear / sport in-ear headphones becomes too low or even no sound, what should I do to improve the sound quality?

Tips and Tricks (1)

• How to clean the product?

Cleaning and Maintenance (1)

• When the volume of my in-ear / sport in-ear headphones becomes too low or even no sound, what should I do to improve the sound quality?