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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. As soon as you turn on the power, it goes into pairing mode, so you can connect via Bluetooth right away, making it easy to use even for beginners. Bone conduction earphones have an open-ear design that does not enter your ears, so you won't feel any pressure in your ears, and you won't feel tired even if you wear them for a long time, so you can use them comfortably all day long. bone conduction earphones