Feature: 1. Built In USB Charging Port: Stay prepared for soothing hot compress anytime, anywhere with the Warm Eye Cover's convenient built in USB charging port. Enjoy the benefits of relaxation and relief on the go. 2. Detachable Design: The USB electric heated eye cover features a detachable design, allowing for effortless cleaning and maintenance to keep the eye cover clean and hygienic for repeated use. 3. Adjustable Strap: Equipped with an adjustable strap, the cordless warm eye cover suits various head sizes and provides a comfortable fit that conforms to the contours of the eyes for enhanced relaxation. 4. Intelligent Temperature Control: With a smart temperature control design, the electric eye heating pad offers three gears temperature settings for individualized comfort. Choose the ideal temperature level that suits your needs for effective soothing. 5. Comfortable: Crafted with silky silk fabric and soft PP cotton, the cordless heated eye cover provides a luxurious and gentle touch on the skin while delivering comforting warmth for eye care. Specification: Item Type: Heated Eye Cover Material: Silk, PP Cotton Battery: Li Battery (Included) Capacity: 1000mAh Charging Time: 2h Usage Time: 3-6h 3 Gears Temperature Setting: Low, Medium, High Auto Power Off: Power will automatically shut down after thirty minutes of use Weight: Approx. 193.00g / 6.81oz. Package List: 1 x Heated Eye Cover 1 x USB Cable 1 x Manual 1 x Storage Bag Note: 1. Please remove lenses when using.2. Do not overpress the eye cover and eyes with external force when using.3. The eye cover shell can be washed, the inner liner can not be washed, away from open flames.