ear plugs for sleeping Completely soundproof Sleep well noise canceling high performance noise reduction Sound insulation value 40dB good sleep plane

【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.

[Latest designed specially shaped earplugs, comfortable to wear] The earplugs have a revolutionary design based on ergonomics, developed to suit the ear canal of Japanese people, and have a special shape with a radius that fits the shape of the ear canal, fits well in the ear, and does not fall out even when worn while sleeping.No. [Protects your ears from surrounding sounds] No pain to your ear canals, further improving the fit and increasing the sound insulation value! [Easy to use] Please put on the earplugs by pulling them gently to widen the ear holes. [Wide range of applications] 40dB, excellent sound insulation performance, suitable for a wide range of locations. [Set Contents & 3 Year Warranty] This product also comes with a 36 month warranty from the date of purchase.