Thank you for viewing. USB rechargeable fan that circulates air inside the mask and supports comfortable breathing. - Product Name: Mask Air Fan - Weight: 22g - Features: Circulates air inside the mask - Usage: USB rechargeable ☆ Please note that we may delete the listing without notice if the item is sold out. -------------------------------------------------------------------------- ★ Please refrain from purchasing if you are concerned, as this is a used item and has been stored at home. ★ Packaging may be recycled. ★ There may be changes between Japan Post and Yamato Transport for shipping.