[Nerugoo] Hot Eye Mask Rechargeable Eye Mask for Sleep Thank you for viewing. I opened it to check the operation, and then stored it at home. There are traces of stickers and folds on the box, but the contents are clean. The included charger (Type-C) is unused. ~Product Description~ 100% silk navy eye mask, with USB connection and automatic power-off function. - Brand: nerugoo - Model Name: HOT EYEMASK - Features: Automatic power-off function - Power Source: USB connection - Material: 100% silk - Color: Sapphire Blue - Size: Free Size