Specifications Type: Wireless Hot & Cold Vibration Heated Eye Mask Massager Voltage: DC5V Powe: 5W Battery Capacity: 500mAh Heating Mode: 45C Auto OFF: 15min Massage method: Vibration, Hot Compress, Cold Compress Charging Interface: Type-C Size: 274x90mm Weight: 280g Feature Innovative Smart Eye Mask Innovation invention, Wear the eye mask and turn on the switch on the eye mask to use hot compress and Massage. This eye mask can be used anywhere. Hot Compress and Smart Vibration Relax Multi-gear temperature selection and modes of vibration, Relax and massage eye muscles and reduce eye fatigue and speed up sleep, etc..great for puffy/dry eyes, reduce fatigue dark circles. Hot & Cold Eye Compress to Say Goodbye to Dark CirclesUse with the specially gifted gel pad (80g) in the sleep mask, it changed into a hot & cold eye compress weighted sleep mask for you to say goodbye to dark circles. Put the gel eye mask in fridge for a cooled eye mask sleep or place the gel pad in hot water for a heated eye mask, which is a gift for individuals suffering from insomnia, sleeping disorder, migraine, dark circles, dry & puffy eyes. Safe Automatic Timing & Light BlockingSystem will automatically shut down for 15 minutes each time.Can be used too when charging and no any change in functions;Humanized shading design, let you get a better rest.