Features: 6Heating levels and fast heating,the temperature covers 6levels, from 104 to 149(40~65), you can choose according to your preference and surrounding environment. this heart-warming design keeps you from worrying about overheating or cold, and provides constant temperature care for your feet. 4 Timing levels / safety & security,4 levels of timing, with overheating and short-circuited protections, it safer and easier to use. 1h/2h/4h/6h can be chosen as you like. when ends, the power will be automatically turned off. foot warmer equipped with thermostat, its overheating protections function can prevent burns and fire accidents. Soft fabric & removable and washable foot cover,foot warmer quality fabric long-lasting warmth. the warm foot cover, easy to remove and wash, keeps clean continuously. boot-shaped design, the height of opening reaches to the shank, which can lock the heat, and then promote blood circulations to relax and warm the whole body. Wonderful size,easy to wear without restraint and suitable for both men and women. Sweet warm gift ,it can be sweet wonderful gift for friend ,family or yourself in the cold winter. Specifications: Material:Cloth+PP Color:Blue,Gray Plug:1/2/3 Note: Please allow 1-2cm errors due to manual measurement. Due to the different betweeen different monitors,the picture may not reflect the actual color of the item. Package includes: 1 Piece Heated Foot Warmer