DaCore 1st and 2nd generation disposable earmuffs refill pack - 4 sets of 12 pieces

https://youtu.be/PT1fpA8r3HY?si=z35vbn83WzB4bVsM **For purchases over 1,000 yuan, you will receive a pair of disposable earmuffs** (This product should be installed on the DaCore breathable sound-free sleeping/flight earplug host) ◎ This product is packaged in 3 packs per set / 12 packs per 4 packs ◎ Earmuff replacement instructions: ☆When removing the old earmuffs, use your fingers to push the buckle on the earmuffs away from the groove of the "ventilation and noise reduction valve". ☆When installing a new earmuff, insert the "breathable noise reduction valve" into the sleeve of the earmuff, and use your fingers to push the buckle on the sleeve into the groove of the "breathable noise reduction valve" until it is completely stuck. ◎ If the disposable earmuffs are damaged, they can be replaced in time to keep the product hygienic and fresh ◎ Origin: Made in Taiwan