• Relieve knee pain associated with arthritis, bursitis, strain, sprains, meniscus tear
• Built-in mesh bag, can be put into the ice bag for cold compress, also can be put into the mugwort bag 
• Adjustable and fixed in place, two bifurcated straps with hook and loop closure, can also be used on calves, thighs and arms to relieve muscle aches and cramps
• One button controls 3 heating levels, very easy to operate
• The USB cable is for portable use, can be plugged into any power source with USB port, easy to use
• This knee electric heating pad is portable and easy to carry in your suitcase or handbag, if you need 1 pair, please buy 2Pcs

Specifications:

• Product Material: Neoprene 
• USB Output: Approx. 5V/DC
• Highest (Red): 50℃, high temperature, can be used for a long time
• Medium (Blue): Temperature is 45℃, warm, can be used for a long time
• Lowest(Green): Temperature is 40℃, not cold or hot, can be used for a long time
• USB cable length: 2 meters
• Mesh bag size: 18 x 13.5cm (can be loaded with Mugwort packs, ice packs, etc.)