Electric heated foot warmer uses the latest heating and vibration technology. Effectively relieves tension, stiffness, soreness, and cramps. Protect your feet from poor circulation, arthritis, and cold floors. ULTRA-SOFT FLANNEL: The foot warmer is made of super soft flannel on both sides, which is very durable and warm. The soft thick cover keeps the heat inside the pad to keep you warm. Multiple Uses: 3 settings: heat, vibration, heat and simultaneous vibration. Non-slip bottom material, USB power supply, whether at home, in the office or in the car, it can be used as a hand warmer or travel pillow. 45-minute automatic shut-off to prevent overheating. Easy to use - The Foot Warmer Massager is light and portable, so you can relax on the sofa, bed or chair in the office or at home. The perfect holiday, birthday, Christmas gift for mom, dad, friends or someone you love. The foot is the second heart of the human body. The foot is the root of the human body and the foundation of health. Each electric foot warmer has undergone strict safety testing and strict process control. Use it with confidence. 45 minutes automatic shut-off to prevent overheating. Color: Gray | Dimensions: 14.2 x 12.2 inches Mode: One click, easy to use. 3 function settings. Long press the button to turn it on or off. Switch function every time. Red - Heat only. Blue - vibrate only. Green - heating and vibration. Power supply: USB power supply, 5V, 2A power adapter is recommended. (not included) The item cannot be charged and requires a USB connection adapter.