ear plugs for sleeping three layers Made of silicone 40db reduction Washable noise reduction sound insulation Sleep goods Noise countermeasures plane

【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.

[Package contents] Earplugs x 2 pairs (one pair each of black and white), storage case x 1, instruction manual x 1.Recommended for those who want to improve their sleep quality, those who want to sleep soundly by reducing noise, those who want to concentrate on studying or work, those who want to protect their ears from loud environments such as live concerts, and those with hyperacusis or misophonia. [Latest Design Earplugs & Effective Sound Insulation] These earplugs have triple layer effective sound insulation and noise reduction, NRR40dB noise reduction effect, easily block out all noises and provide long-term comfortable hearing protection.Please note: It is not completely soundproof, but you can still hear necessary sounds such as alarms and calls, so you can use it with confidence. [Easy to use & reusable] Earplugs are differentiated for left and right ears, so please pay attention to the L and R marks when using them.It's easy to put on by simply pulling up your ears and inserting the earplugs into your ear canal.Made of soft silicone, it is skin-friendly, antibacterial, washable, and reusable. [Convenient to carry & wide range of uses] Comes with an earplug storage box, convenient to carry and no need to worry about losing it.Suitable for deep sleep, anti-snoring, swimming, studying, flying, working, concerts, mowing, etc.Recommended for those who want to protect their ears from loud environments such as live concerts, and those with hyperacusis or misophonia. [Quality Assurance] The product has a 12-month warranty, and if you have any problems, please contact our store from "Order History" → "Contact Seller" (★Product exchange/return service★, etc.)