10 / Pack Earplug Sound Insulation Professional Noise Reduction Sleep Noise Learning Speakers It is just the quality

It is just the quality craftsmanship and it is the type of expertise that creates technology that lasts centuries

Efficient and labor-saving

The dust cover is designed to be dust-proof and anti-winding

Manual trolley * 1 set

10 / Pack Earplug Sound Insulation Professional Noise Reduction Sleep Noise Learning Speakers It is just the qualityShips FREE Handling Day: 1 3 Days, Arriving Day: 15 35 Days[SHORTDESCRIPTION] Features Independent packaging, use more clean and convenient Christmas tree shape, comfortable to wear Line design, easy to pick up and not easy to lose Silica gel material, no allergy constitution Powerful noise reduction