Features: High-Quality Material: The heated eye mask is made of high-quality material, which is wear-resistant and sturdy, designed for long-term use and durable. Portable: This heated eye mask has a compact design, small size, and includes a storage bag, making it convenient to carry during travel or business trips. Easy to Use: This heated eye mask features a USB connector and is compatible with various power sources such as USB adapters, computer ports, laptop ports, car chargers, and power banks. Ergonomic Design: The eye mask is ergonomically designed with a three-dimensional fit, ensuring it does not press on the eyes, comfortably conforms to the eye area, and provides a secure fit. Heating Function: This heated eye mask offers four adjustable temperature settings, heats up quickly, distributes heat evenly, and includes a one-button timer for convenient and safe operation. Notice: 1. Actual color may vary slightly from the image due to different lighting conditions. 2. Please allow 1-3 cm deviation due to manual measurement. Material: Cotton Size: 19.5 x 6.5 cm Charging Method: USB plug-in Rated Voltage: 5V Rated Power: 5W