by a on comfort and sticker Earmuffs for concentrating [Supervised pediatrician] ``Focused design'' (transfer included) children, soundproofing,

【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.

[About clocks that synchronize time via radio waves] The function of clocks that synchronize time via radio waves only works in the Japanese area. Please be careful. ✅Developed with the aim of achieving both comfort and sound insulation. Under the supervision of a pediatrician, we developed the product with a focus on lightness, comfort, and sound isolation of 28 dB, which allows essential sounds such as voices and alarms to be heard. These earmuffs are designed to be safe and secure so that children can use them with confidence. ✅ [Customized transfer stickers included] Comes with transfer stickers (3 types) that look just like prints, so these earmuffs can be freely customized to suit your child's preferences. ✅ [Only 165g, the lightest in the industry! ] We want you to use it every day, so lightness is important! It is 40.1% lighter than our previous model, weighing only 165g. Customers who have actually used the earmuffs have been satisfied with the lightness and comfort of the earmuffs, saying, ``It's very light and doesn't cause fatigue,'' and ``It's light and compact, so it's easy for children to carry!'' ✅ [Shape and size suitable for everyday use] Compact size makes it easy to carry in your bag. It can also be used from 3 to 10 years old, so it can be used for a long time. ✅ [Supervised by a pediatrician ✖️ Triple safety declaration! ] "Passed the Food Sanitation Standards Act," "Passed formaldehyde," and "Passed the world standard EC standard." Under the supervision of a pediatrician, these earmuffs for children are made with a focus on invisible safety and security. Developed with the aim of being more comfortable and stylish. These earmuffs for children are based on the feedback of parents and are made with a focus on [more comfortable wearing experience ✖️ more fashionable design]. Under the supervision of a pediatrician, we have achieved a soundproofing performance of 26dB that even people with hyperacusis can use with confidence! These earmuffs are designed for children with a balance that allows them to clearly hear the surrounding sounds.