耳塞式耳筒

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

• Any tips for better maintenance of the earphone/headphone?
• Where is the model number located?
• 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?
• How to clean the product?
• Why do I get a small electrical static shock from the earphones? Is this dangerous?

Tips and Tricks (3)

• Any tips for better maintenance of the earphone/headphone?
• How to clean the product?
• Why do I get a small electrical static shock from the earphones? Is this dangerous?

Service and Repair (1)

• Where is the model number located?

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?