TIMER & TEMPERATURE CONTROL: This USB-powered heated eye mask features 5 adjustable temperature levels (104°F-140°F) and 5 timer settings (20 to 60 minutes). The warm compress delivers consistent heat to help relax the eyes according to your needs.HEAT TREATMENT: The heating eye mask provides soothing warmth that helps relieve dry eyes, puffiness, blepharitis, dark circles, eye fatigue, and eyestrain. Designed to deliver gentle heat and comfort, it supports a relaxing experience for improved eye wellness.UPGRADE HEATING TECHNOLOGY: Powered by a standard 5V/1-2A USB connection, this eye mask is compatible with laptops, power banks, and car chargers. Enhanced heating technology and safety design help promote blood circulation and provide relief from eye strain and dryness.BREATHABLE AND COMFORTABLE: Made from soft, breathable fabric, the eye mask feels silky and gentle on the skin. The adjustable strap ensures a secure and comfortable fit for various face shapes, allowing even heat distribution around the eyes.INCLUDES: The heated eye mask comes with a 5-foot USB charging cable, a spray bottle for moist heat application, and a fabric storage pouch. For any questions or concerns, please reach out through Amazon message.