✔STRONG SOUND INSULATION: Stereo bionic ear canal can give you sound insulation, noise reduction. Soft silicone will not make the ears swell while wearing it for a long time. And it can be washed repeatedly. Suitable for people who have trouble sleeping, learning and environmental noise. ✔DUAL FREQUENCY SOUND FILTER: Dedicated high and low-frequency sound filter, effectively reduce the impact of sound waves on the eardrum, double-layered umbrella structure design, long-term wear painless, free to choose according to the ambient noise. ✔THE PRINCIPLE OF AIRPLANE EARPLUGS: According to the design of the ear canal of human body, the round head silica gel is attached to the ear canal, and the umbrella-shaped tail is hidden. The micro breathable hole design of the head and tail, when the external pressure increases, the airflow automatically flows to the internal air chamber, balances the internal and external air pressure, and reduces the symptoms of tinnitus. ✔30S SLOW MEMORY REBOUND: Select foamed PU material, safe and healthy, slow memory rebound, ease the ear canal discomfort caused by rebound too fast. Dense air holes, layered to reduce noise, keep the ear canal breathable and comfortable, soft and comfortable, wearing no foreign body sensation. ✔REUSABLE & WASHABLE MATERIAL: Both silicone and foam materials can be washed, and can be reused after being fully dried, which is convenient for hygiene and has a long service life. Also, equipped with a dedicated storage box, easy to access, which is compact and easy to carry. Specification Material: Sponge Noise reduction rate: 60 Function: Noise reduction Use range: sleep, work Featured Service: Leisure color: White Usage: Matching Category: Protective earplugs Efficacy: Noise reduction Packing method: storage box Size: 2.5CM*1CM
