Features: 3-speed temperature control, extremely fast heating, soft and thin. Made-of felt material, soft texture, even heating, no pilling, no lint, breathable and warm. Washable. When the temperature is too high or it has been used for 10 hours, it will automatically power off, so it is safe to use. Portable design, suitable for homes use, field construction, dormitory, office, outdoor campings. A variety of power supply methods can be used, such as computers with USB ports, adapters, mobile power supplies, and vehicle power supplies. Package Includes: 1x Electric Blanket Specifications: Material: Felt Cloth S-size: Approx.80x160cm/31.50x62.99inch L-size: Approx.150x160cm/59.05x62.99inch Rated-voltage: 5v Rated-power: 10w note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color of the item.