SijiRuge ear plugs for sleeping Sleep well good sleep goods Noise reduction 40dB sound insulation study plane work silicone earplugs Washable 3 pairs

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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.

✅ [40db Sound Insulation Effect] By wearing SijiRuge earplugs, it is possible to reduce the sound by about 40dB, reducing most of the noise and providing comfortable hearing protection for a long time.❗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. ✅ [Comfortable even when worn for a long time] The innovative design is based on ergonomics, and it fits gently into the ear canal, causing almost no feeling of obstruction, so your ears won't hurt even if you wear it for a long time.There are 3 sizes of earplugs (S, M, L), so you can find the size that suits you! ✅ [Easy to wear & can be washed and used repeatedly] Earplugs do not distinguish between left and right ears, so they are easy to wear by simply pulling up your ears and inserting the earplugs into your ear canal. Even if it gets dirty, you can wash it with water and use it repeatedly. ✅ [Wide range of uses] Very suitable for use at home, at a hotel, campsite, while sleeping on an airplane, etc., or when you want to concentrate while working, studying, meditating, etc.It is also recommended for those who want to improve their sleep quality and those with hyperacusis and misophonia.Another feature is that your ears won't hurt even if you toss and turn in your sleep. ✅ [Set contents & one year warranty] Ear plugs x 1 set, ear tips (S/M/L) 1 set each of 3 sizes, storage case x 1.This product has a 12-month warranty service from the date of purchase.❗Please note: This product may not be as effective due to individual differences.In that case, please contact our support service.