XIANQI Electric heated foot warmer uses the latest heating and vibration technology.Providing efficient relief from tension, stiffness, soreness and cramps.Protect your feet from low blood circulation, arthritis, and cold floors. FLANNEL:Foot Warmer both sides are constructed from super soft flannel,that is exceptionally durable and warm.The soft the thick flannel cover will keep heat inside the pad and make you warmer. VARIETY OF USE: 3 Settings:Heat,vibrate,Heating and vibration simultaneously.Non-slip bottom material,USB power supply, whether you are at home, in the office or car, can be used for warm hands or as a travel pillow.45 minutes automatic shut-off,to prevent overheating. CONVENIENT TO USE - The foot warmer massager is lightweight and portable, allows you relax on your sofa,bed or chair in office or home. Perfect festival,birthday, Christmas gift for Mom,Dad,friend or any your loved one. Color: Gray | Size: 14.2 x 12.2inches Heating and Vibration massage Foot is the second heart of a human body. Foot is the root of human body and the key to health. This foot warmer with heating and vibration massage function, 45 minutes automatic shut-off, a power cord that is 5.7 ft/1.74 m in length. The heating area is in the middle of the foot pad.Heating temperature up to 55/131.It is recommended to use 5V 2A power supply, which has achieved the best results. 45 minutes automatic shut-off,to prevent overheating.Ultra-Soft Flannel.Modes:One-click operation, easy to use. 3 function settings.Long press the switch to turn it on or off. Change function each time you press. RedHeat only.Blue - Vibration only.Green - Heating and Vibration. Pad Material: Luxurious Flannel,Non-slip bottom material. Power Supply: USB power supply,5V, 2A power supply is recommended.(Not included)