[2025 All New Model] Earplugs for Sleeping Completely Soundproof Noise Canceling Ear Plugs Sleeping Earphones NRR Value 35dB Measures Against

Coolbe: This product is a medical device which must be used only as intended and in accordance with the instructions for use. This device is not a substitute for professional medical advice, diagnosis, or treatment. Consult a qualified healthcare professional before use if in doubt. The seller/distributor is not liable for any damages arising from misuse, unauthorized modification, or use beyond stated indications.

-----

【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.

[Strong Noise Reduction] These earplugs for sleeping use high-density medical silicone and achieve an NRR (noise attenuation value) of 35 dB.Good sound insulation effect, effectively blocks surrounding noise.Earplugs with complete sound isolation are useful in a variety of situations, such as improving the quality of your sleep, concentrating on studying or working, and protecting your hearing.It is especially recommended for those who have trouble sleeping, those who require concentration, those who want to use it at concert venues, and those who are sensitive to sound. [Comfortable to Wear] These sleep earphones are made of lightweight, soft silicone and ergonomic design that perfectly fits your ears.You can wear them comfortably even after long periods of use without causing ear pain or discomfort.They are comfortable even when sleeping on your side, and the ultra-lightweight design conforms to the shape of your ear canal, providing a natural feeling that feels like you're not wearing them at all. [Easy to carry & wide range of uses] These noise canceling earplugs have a compact design and come with a convenient storage case, making them easy to carry and no need to worry about losing them.You can easily carry it anywhere, such as traveling or business trips.It's a great option not only for sleeping, but also for working, studying, reading, and other times when you want to get away from the hustle and bustle of everyday life and concentrate. [Easy to Wear & Reusable] These noise canceling headphones are easy to put on by simply inserting them into your ear canal, and come with four different sizes of ear tips, so you can choose the size that best fits your ears.In addition, it is made of soft silicone material, which is skin-friendly, washable and reusable, making it environmentally friendly and practical. [Package Contents & Quality Assurance] Contains 1 set of Y27 earplugs, 4 pairs of ear tips (S/M1/M2/L), a practical mobile case, and a luxurious gift box.We are committed to providing quality products and services, and provide 2 years of complete after-sales service.We support our customers so that they can purchase with confidence.If you find that the quality or performance does not meet your expectations, missing parts, or natural quality issues while using the product, please feel free to contact us via Amazon customer support or email.