for sleeping ear plugs silicon sound insulation soundproofing noise canceling ear plugs good sleep Sleep goods Noise countermeasures 32dB reduction 1

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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.

[Comfort & Ergonomics Design] These earplugs have a revolutionary design based on ergonomics, and have a special shape with a radius that fits the shape of the ear canal and fits comfortably in your ears, so they won't fall out even when you wear them while sleeping.They fit in your ears while you sleep and do not protrude outside.The earplugs are designed so that even if you turn over or sleep on either side, you won't wake up to find your earplugs missing.Adopts environmental protection, non-toxic liquid silicone material and has excellent flexibility.Your ears won't hurt even if you wear them for a long time. [Recommended by hearing professionals & excellent sound insulation performance] These sound insulation earplugs use high-performance filters.They also have better sound isolation than other earplugs in the bass to treble range.Made of "super soft" silicone material that is soft like a pillow.By attaching earplugs, the sound can be reduced by approximately 32dB. [Reusable, washable, and hygienic] Can be washed completely or washed with water. Even if it gets dirty, you can clean it and reuse it by washing it with water, making it hygienic.They do not lose their elasticity even after long-term use, and can be used repeatedly. Dirt can be maintained by wiping with a damp cloth. They are more cost-effective than disposable earplugs. They are also individually wrapped and hygienic.A case is also included to prevent loss.Easy to store and carry when you go out or at home. [Wide range of applications]: Wear it when you are at work, studying, sleeping, public institutions, etc. when the surrounding sounds are loud, and it will block out unpleasant sounds to your ears. [Safe Warranty] There is 90 days of manufacturer support, so you can purchase with confidence. We have a quality guarantee, so if you receive a defective item, please contact us from "Order History" → "Contact Seller".