Hot & Wave Eye Mask RHW-01ME GR (Gray) This eye mask features both heat and vibration functions to gently care for the eye area and provide a refreshing effect. Brand: Dr. Air Eye Care Type: Eye Mask Type Power Source: Rechargeable USB Charging Time: 1.5 hours Weight (g): 170 g Color: Gray I purchased this around February of this year, but I haven't used it and it's been stored at home. It has never been opened. The outer box is discolored. Please refrain from purchasing if you are sensitive to such details.