Features: Visual graphene eye protection device. Pure graphene transparent film emits life light waves and far infrared, resonating with human cells at the same frequency, soothing dry eyes, unexplained tearing, and eye fatigue. Surface heating, uniform heat distribution. Lightweight and stylish, ergonomic design, multiple temperature settings, soothing tired eyes. Specifications: Material: Flame retardant ABS Color: Black Rated voltage: 3.7V Rated power: 4W Charging input: 5V 0.6A Battery capacity: 900mAh/3.7V Usage Environment: Temperature: -41?-95?, humidity =85%RH Package includes: 1 x Heated eye mask 1 x Charging cable 1 x Glasses cloth 1 x Instruction manual Notes: 1. The device has a heating surface. Users who are not sensitive to heat must use it with caution. 2. When the product is not in use, please turn off the power promptly to avoid prolonged heating. 3. Do not use while sleeping. 4. The heated eye mask automatically heats for 16 minutes. It will shut down automatically after 16 minutes of operation. If you need to continue using it, please turn it on again 5. If the product's connector accidentally gets wet, stop using it immediately. 6. During packaging, transportation, and use, take care not to fold the graphene heating film.Wide Range of Applicable Users: Our electric heated eye mask suitable for a broad audience, including office workers, night owls, makeup enthusiasts, and the elderly. Whether you are an office worker facing long hours in front of a computer, a beauty lover who frequently wears makeup, or an elderly person needing eye care, the graphene heating eye mask provides comfort and relaxation for everyone. Fast Heating and Safety Assurance: Featuring efficient heating technology, the dry eye mask heats up quickly in just 3 seconds, reaching the desired temperature rapidly and distributing heat evenly; It consistently relieves eye pressure, operates at a low voltage for safety, and ensures long lasting durability for a reliable user experience; It can only be applied for 15 minutes at a time (doctor's advice), and can only be applied twice on a single charge. 2 Modes Adjustment: Equipped with both high and low temperature settings, long press the controller to start heating and on high temperature mode defaultly; The high temperature mode indicated by a red light and the low temperature mode by a blue light; Short press the controller button to switch between high and low temperatures, allowing you to select the heating level that best suits your needs for a personalized comfort experience. Portable Glasses Style Design: The innovative glasses-style design, equipped with graphene high lens lenses, different from traditional heated eye masks, our cordless heated eye mask can save your time by relieving fatigue and dry eye symptoms while using your eyes at work and life; Whether at home, in the office, or on the go, you can easily enjoy an eye SPA, making it convenient and practical. Graphene Infrared Heat Therapy: Utilizing advanced graphene infrared heat therapy technology, this heated eye mask emits far infrared light waves (wavelength 6-14 micrometers) that are effectively absorbed by the human body; This promotes blood circulation around the eyes, relieves eye fatigue, and is particularly effective in alleviating dry eyes, styes, puffiness, and Meibomian Gland Dysfunction (MGD), providing comprehensive eye health care.