This and portable steam eye protector gently soothes your sleep. Easily handle any situation; it's so easy to sleep well. Five functions in one device: relax your eyes and prevent dehydration. Micro-atomized hot and cold dual-compression steaming provides a soothing effect. Ultrasonic micro-level atomization and intelligently controlled hot and cold steam cares for your eyes. Micro-motor vibrations provide precise eye acupressure massage. The built-in micro-motor generates continuous vibration waves around the eye area at a frequency of up to 8,000 rpm, helping to relieve eye pressure. Hign-concerned Chemical:None Type:Hand Tool Parts item number:A17 Power mode:Charging model Is it built-in battery?:Built-in battery applicable population: Shell process: battery life:0-1H (inclusive) Massage principle:Vibration, hot compress function:Steam, folding, heating Skin-friendly material:Silicone Color: As Shown Material: PU Leather Package Contents: 1 set * smart wireless steam eye massagers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.