The cup cover is lined with double layer sponge, and the outer cover is trimmed with imitation leather.

* wear health, safety, soft and comfortable, sound insulation effect is good

Using range

 1, quiet sleep (make noise) 2, travel business trip 3. Noise (decoration, cars, computers, etc.)

* effective noise reduction.

* acoustic earmuffs can effectively prevent noise and are widely used in noisy environments such as airplanes, trains, automobiles and ships.

* at home, if your family members are snoring or outside noise makes it difficult for you to sleep well, this is your best choice.

* if you're traveling, struggling with noise at home or in your dorm room, this is definitely your best bet!

* it will give you a quiet world, let you rest well, study well, sleep well