Completely soundproof earplugs for sleep earplugs, noise canceling Earplugs, effectively reduces noise by 40dB, available in 3 colors, black

【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.

[Good Sleep, No Disturbance] The ear plugs fit snugly into your inner ear, freeing you from waking up due to environmental noise or snoring. It won't fall off easily even if you sleep on your side. Sleep peacefully and wake up naturally. [Noise Isolation Expert] Three-layer umbrella-shaped design effectively reduces noise that affects your sleep, but does not miss the necessary sounds, alarms, alerts, and surrounding abnormal sounds. [No pain even when worn for a long time] Adopts a shark fin type ear support design and an innovative design of ergonomic earplugs.With a 30 degree slanted design, the handles of the earplugs do not stick out, so you won't feel any discomfort even when lying down. [Convenient for Travel] Coin size noise canceling earplugs are convenient for pocket, bag and carry.The silicone earplugs are washable and should be cleaned using clean water or detergent and dried in a well-ventilated place.Once it is sufficiently dry, it can be used repeatedly. [Improve Concentration] This is a must-have item for students who want a comfortable sleep and those who want to improve their work efficiency by effectively blocking out environmental noise. It is also recommended for people with hearing sensitivity.