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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. This product is a "bone conduction headphone" that allows you to hear sound by vibrating your bones. Open-ear earphones that do not block your ear holes use bone conduction technology, allowing you to enjoy music without blocking your ears. All functions such as playing/pausing music, forwarding/reversing songs, adjusting volume, answering calls, etc. can be operated using the buttons on the main unit. bluetooth earphones