Anker Soundcore C40i Wireless Earbuds with Ear IPX4 Up to 21 Hours of Rose Gold (Bluetooth 5.4) Open-Ear Cuffs, Waterproof, Playtime, Multi-Point

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【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. ------------------------------------------------------------------------------------------------------------------

Ear cuff style for a comfortable fit that doesn't block your ears: These new earphones clip onto your ears like an accessory. They reduce stuffiness and listening fatigue, allowing you to enjoy music anywhere. Flexible bridge for easy wear and a secure fit: Using the included ear cuff caps provides even more stability, so you can feel at ease even when moving around or sweating. Large drivers for clear sound: The large 12mm x 17mm drivers deliver powerful bass and clear sound. Intuitive button control: Button control prevents accidental operation even if your hand touches it while exercising or moving. Package contents: Soundcore C40i, charging case, ear cuff caps (2 types), USB-C & USB-A cable  /