インイヤー ヘッドフォン

現在、日本語の FAQ はご利用いただけません。以下より英語の FAQ をご確認ください。

Top-10 FAQs よくある質問 トップ 10

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

Tips and Tricks (3)

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

Service and Repair (1)

• Where is the model number located?

クリーニング & メンテナンス (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?