Product Description Material: flannel Size: 19.5*10.5 cm : four-speed constant temperature ing temperature: 35-50 degrees Celsius (20 degrees Celsius at room temperature) Voltage: 5V supply: USB plug-in : purple, gray Quantity: 1 piece Package content: 1 piece * eye mask ( not included) 1. PURE RELAXATION - Due to its size, the mask is ideal for relaxation, stress reduction and headache relief. It can also be used as a simple sleeping mask. For an additional feel-good factor, the pleasant scent of can optionally be added using an insert pad. In order to intensify the aromatherapy, the mask can be provided with a low level of moisture. 2. COMFORTABLE - Easily adjustable with an elastic band, comfortable to wear and opaque. The curved shape adapts to different face shapes and does not cause any pressure points. 3. INDIVIDUALLY ADJUSTABLE - Adjustable in 4 heat levels from 35 to 50 C and 4 time intervals. Turns off automatically when the time is up. 4. FLEXIBLE USE - The blindfold can be used comfortably on the go with a USB adapter on a PC / laptop, on a power bank, in the car or on USB connections. take everything with you with the supplied carrying case. It's also much more economical than the single-use, one-time izing eye mask. 5. SOFT & SAFE - The inside of the eye mask is made of soft and fluffy materials that allow your eyes only the most gentle and gentle touch. Unlike conventional microwave eye masks, this eye mask has been extensively tested during development to avoid the possibility of damage from overheating.