[Supervised by Sleep Professionals] Earplugs for Sleeping Completely Soundproof Good Sleep Sleep Well Noise Canceling High Performance Noise

Coolbe: The information about the product is provided by the seller. Notwithstanding any of this information, the product is not intended for diagnosis, cure, mitigation, treatment or prevention of any disease, is not a drug or a medical device, and should not be used for any medical purposes. Please consult a medical specialist.

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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.

[Replaceable ear caps included in 3 sizes]: The silicone ear tips that fit into your ears come in 3 sizes: S/M/L, so you can choose the size that fits your ears.You can customize it to your desired size.In addition, there is no distinction between left and right so that it can be used by men and women of all ages. [High-quality silicone material]: Made of BPA-free high-quality silicone, the ear caps have a soft feel and the main body has a firm and smooth texture that fits naturally in the ear canal and does not interfere with fashion even when worn when going out.plug. [High Performance Noise Filtering] These foam earplugs are made of high quality foamed urethane and have a noise reduction effect of NRR 35dB, and have high sound insulation properties that can block most noises, helping you sleep soundly and relieve stress.and provides long-term comfortable hearing protection. [Ergonomic design, fits your ears] The arc matches the shape of your ear canal, so you won't feel pressure even if you sleep on your side, and it won't fall off even when you wear it while sleeping. You don't have to worry about losing the earplugs, and it's easy to put on by simply distinguishing between the left and right ears (L/R) of the sleeping earplugs, gently lifting your ears, and inserting the earplugs into your ear canal.You can choose the tip that best fits you from the most comfortable sizes (S/M/L). [Suitable for various occasions]: Supports deep and comfortable sleep, and can also be used for sleep, naps, falling asleep, travel, trains, Shinkansen, airplanes, hotels, live performances, meditation, yoga, neighborhood sounds, noise, daily life sounds, daily life, offices, desk work, concentration, learning, reading.It is also ideal when you want to concentrate on writing, studying, etc.