[Supervised by a sleep expert] For sleeping ear plugs good sleep Sleep well relax Noise countermeasures noise reduction 30dB reduction hearing

Coolbe: This product is a medical device which must be used only as intended and in accordance with the instructions for use. This device is not a substitute for professional medical advice, diagnosis, or treatment. Consult a qualified healthcare professional before use if in doubt. The seller/distributor is not liable for any damages arising from misuse, unauthorized modification, or use beyond stated indications.

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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.

[Supervised by a sleep professional] Supervised by a certified sleep consultant and physical therapist who is familiar with the body and sleep. It effectively reduces noise and can be used not only for everyday sleep, but also while traveling. [Effectively Reduce Noise] Adopts a unique ergonomic shape that can reduce noise up to 30dB.We also aim to improve the comfort of wearing the product by arranging it at an angle that will not make you feel uncomfortable even when you turn over.(*Not completely soundproof) [In various situations] Although it was developed for sleeping, it can be used in various situations.It can be used for multiple purposes such as sports such as walking and running, situations where the surrounding sounds are loud such as live performances, and when you want to concentrate on work or study. [Storage case included] A small storage case is included. It's pocket-sized and highly portable. [Size] Body: 2.5 x 1.5cm Storage case: 3.5 x 3.5cm [Set contents] Earplugs x 1 set (for both left and right ears) Storage case x 1 [Color] Black