I will not accept requests for individual price reductions or combined purchases! I will not respond to comments asking for a price reduction. Brand new, unopened 99.9% antibacterial rate Ultra-lightweight, approximately 22g USB rechargeable Rhythm wind function, double-click to prevent accidental operation Compatible with various masks Discreet design Comes with a dedicated pouch Circulates air inside the mask for comfort, even in the hot summer. Easily attaches to your everyday mask with a clip. Because it touches the skin, the main body has been treated with antibacterial processing. An ultra-lightweight model designed for comfort. An essential item for the new lifestyle. *Some masks may not be compatible. Can be used from either the left or right side. Please refrain from purchasing if you are concerned about minor details due to home storage. It will be shipped in an envelope with simple packaging. May be deleted at any time.