【New, Unused】High-Performance 5-Layer Structure Quiet Earplugs | -45dB | For Sleep, Work, and Travel

Thank you for looking.
I accidentally purchased two of the same item, so I am selling this new and unused one.

This is a high-performance earplug with the following features:
- High sound insulation performance of up to -45dB
- 5-layer noise reduction design
- Zero pressure structure for comfortable wear even for long periods without pain
- 3-level noise-canceling adjustment
- Hygienic and washable
- Comes with 4 sizes of ear tips (S/M/SM/L)
- Ideal for sleep, concentration, travel, and noise reduction

Purchase price: ¥5,599 → ¥3,778 during a time sale
Condition: New and unused
Included accessories: Earplugs, 4 sizes of ear tips, storage case, strap, instruction manual

Recommended for those who want to improve their sleep quality or need noise reduction.
Immediate purchase is welcome. I will pack it carefully and ship it.