zuosen ear plugs Ultra-comfortable and reusable noise-reducing earplugs suitable for noise sensitivities Completely soundproof for sleeping noise

【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.

The earplugs are made of slightly smooth silicone and have a structure similar to human ears, and will not cause any nasal pain or discomfort. Protect your earplugs from dust and moisture. Comes with an earplug storage case, so you don't have to worry about losing it. Suitable for deep sleep, study, work, concerts, various sporting events, public transportation, etc. It fits the shape of your ear and does not feel pressured even after 8 hours of continuous use.The 3D arch structure prevents it from falling off even when sleeping on your side, and optimizes the gap between the comforter and your ears.It has been oil-cut to prevent earwax from sticking.The included storage case is sized to fit comfortably in the accessory pocket of your tote bag.Passed the clinical exam at the University of Tokyo Hospital These reusable earplugs are made of lightweight and soft silicone, designed according to the structure of the human ear, and will not cause pain or discomfort to your ears even when worn for a long time. They fit snugly into your ear canals and provide great comfort, even for side sleepers.