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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.

[About clocks that synchronize time via radio waves] The function of clocks that synchronize time via radio waves only works in the Japanese area. Please be careful. From 2024 onwards, we have developed completely wireless bone conduction earphones ``C7'', which were developed with the aim of providing a comfortable fit, better sound quality, and ease of use to our customers. The difference from the traditional wearing method is that the earphone body adopts a new U-shaped design, and each ear weighs only about 4g, providing customers with ultimate comfort and better protection for their ears. The earphones have a unique ear cuff structure with smooth curves to accommodate a variety of ear shapes. The arch part of the main body is integrally molded with a titanium core material, which provides flexibility and a sense of hold, but the structure of the vibrating part has also been revised to reduce the feeling of pressure on the ear, making it comfortable to use even when worn for long periods of time. earphones