คุณลักษณะ

• It cuts out only unwanted noise.
• Noise blocking earplugs.
• Fits the ear with excellent sound insulation, and has a smooth surface that is gentle to the ear.
• Soft earplugs with strings.
• It reaches the ear in about 30 seconds, and there is no discomfort even if you use it for a long time.
• The tips of earplugs are round, so they are easy to put in.