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【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.

[Quietide Airplane Earplugs]★Quietide Airplane Earplugs use a special sound filter uniquely developed for the flight environment, keeping conversations and in-flight announcements clear while suppressing noise and distracting sounds.Masu.It can effectively reduce pain and discomfort in the eardrums and ears caused by sudden changes in air pressure during takeoff and landing.Since it is not an electronic device, it can be used from takeoff to landing.*Rather than muffling noise like sponge earplugs, Quietide's ear protectors are designed to reduce sound pressure to a certain degree, but it is safe to the point that it does not damage your hearing without reducing sound quality.You can reduce the volume to.The risks of noise-induced hearing loss and tinnitus caused by airplane takeoff and landing can be minimized. [Excellent Hearing Protection Performance]★Quietide ear protectors are products that protect people from the risk of hearing loss and acoustic disturbances.It is a hearing loss prevention product that reduces the overall environmental sound around you and safely reduces the volume to a level that does not damage your hearing.Protect your ears from noise such as airplane engine sounds when traveling, loud music at live venues, and the sounds of construction site machinery.It's also perfect for concentrating on work or study, away from office calls and chatter.Unlike regular earplugs, you can hear sound, so you can use them on a daily basis, such as while working or traveling.Even when wearing earplugs, you can communicate comfortably. [Earplugs for Japanese people]★These earplugs are ergonomically designed, developed to suit the ear canal of Japanese people, and have a special structure with a two-point umbrella, so they fit well and are difficult to fall off even when worn while sleeping.Furthermore, they are made of soft material, so your ears won't hurt even if you wear them for a long time.The hollow upper design provides good ventilation and eliminates the discomfort of stuffy ears.The carefully selected size fits the Japanese ear canal better than other earplugs, and it fits naturally and feels less uncomfortable.It doesn't attract the attention of others, there's no need to distinguish between your left and right ears, and it doesn't get in the way when you sleep on your side. [Reusable & Prevents Loss] ★Unlike disposable types, the Quetide series is a sustainable earplug that is individually wrapped and hygienic.It does not lose its elasticity even after long-term use, and can be washed with water and used repeatedly.★ Preventing loss - ① If you attach the string to the earplugs with a silicone string that won't get tangled easily, you won't have to worry about the earplugs falling out during live performances.② Listening to customer feedback that earplugs and a string can be stored together, we have increased the number of large plastic cases that can hold one pair of earplugs and a string, or two pairs of earplugs, which is very convenient.③The included aluminum case comes with a key chain and has a compact design that makes it convenient to carry, useful for carrying when traveling on business, and easy to store. [Applicable to various situations & set contents] ★Quietide's ear protectors Q19 are perfect for protecting your ears not only on airplanes, trains, crowded buses, and construction sites, but also during work, the hustle and bustle of the city, and during your hobbies.Please try it.It is very suitable for use at home, at the hotel you are staying in, at a campsite, etc. while sleeping, or when you want to concentrate while working, studying, meditating, etc.Also applicable when there is discomfort in noisy environments such as live concerts, parties, clubs, sporting events, fireworks displays, shootings, construction sites, etc.★Set contents - ① 2 pairs of earplugs, ② 2 pairs of filters (*The filters are already attached to the earplugs at the time of shipment.), ② 1 string, ④ 1 aluminum case, ⑤ 1 transparent case, ⑥ 1 Japanese instruction manual.