Effective Soundproof Ear Plugs

💤 Improve your Sleep! 

Features:

• Sound insulation technology can effectively reduce noise. Put on instant silence to help you sleep deeply.
• Shaped with the temperature of the ear canal, the temperature-sensitive memory cotton earplugs will adapt to the ear canal contour according to the ear canal temperature
• Internal micro bubble hole design can effectively improve the noise reduction effect.
• Temperature-sensitive memory cotton slow rebound in 60 seconds.