HighlightsBlack and grey color optionsSupports 3-6 times usage after about 2.5Hrs fully charged3S fasting heatingDouble-sided silk materialOptimal giftDetails*Features* - *Cordless Heated Eye Mask* - Say goodbye to tangled wires and embrace our convenient,wire-free heated eye mask. Built-in rechargeable battery supports 3-6 times usage after about 2.5Hrs fully charged,our heated silk eye mask brings the freedom to relax wherever you are,at home,in the office on a plane or train..12LBS lightweigh