After 3 years of research and development, it uses high-temperature hot-pressed anti-slip coating and ultra-fine pressure relief holes with black technology.
High-temperature hot-pressed anti-slip coating from South Korea that has been in use for three years
The sound outlet size of VELVET earplugs and compatible headphones is 3-5mm (there may be some errors depending on the measurement method)
Easily remove ear wax Ear wax attached to earplugs may affect your hearing Special nanomatte coating removes ear wax easily.
Excellent wearing stability, the sound outlet is wide at the front and narrow at the back to ensure the complete presentation of details!
Through the nano-coated pressure relief hole, unnecessary ear pressure can be eliminated in a timely manner, providing a comfortable wearing feeling when listening to music. (The degree of ear pressure relief varies from person to person)
