ear plugs for sleeping Completely soundproof Sleep well noise canceling high performance Noise countermeasures relax hearing protection 40db reduction

【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.

[Includes 3 sizes of replaceable ear tips]: Comes with 3 types of silicone ear tips that fit in your ears: S/M/L, so you can choose the size that fits your ears. It can be used by men and women of all ages, and there is no distinction between left and right. [High-quality silicone material]: Made of BPA-free high-quality silicone. The ear tips are soft and the body is smooth to the touch. It fits naturally into the ear canal and does not affect your fashion when going out. [High sound insulation of 40dB]: Prevents sound from passing through and provides high sound insulation. Effectively block out surrounding sounds when sleeping, working, studying, or in public places. It also reduces noise at live performances, concerts, construction sites, etc. [Completely washable and hygienic]: The silicone material can be washed with water or disinfected with alcohol, so you can always keep it clean.These eco-friendly earplugs can be used repeatedly and won't put any strain on your ears even if you wear them for a long time.The short design makes it difficult to feel pain when turning over in bed. [Useful in various situations]: Supports deep sleep and is perfect for use in a variety of situations, such as sleeping, napping, traveling, trains, bullet trains, airplanes, hotels, live performances, meditation, yoga, concentrated work in the office, studying, reading, etc.