8000mAh! Extend using time! Our heating pad is powered by 3.7V/8000mAh power bank (included) which lasts longer than many other types in the market. The power bank make it a cordless heating pad so that you could use it anywhere.Wrap Around Design with Extension BeltThe wearable cordless heat pad is of 112cm long with an extra 40cm that could fit most plus size body. It's of high quality SBR-OK diving fabric with breathable mesh layer and stylish design. It could be used for waist, belly, shoulder, knees and back pain relief.3 Levels of Heating This electric heating pad for lower back could provide three levels of heating. Simply hold the button for 3s to switch on and press each button to control the fuction. It could heat a large area of your body, could be a nice choice for the whole winter.2 Moter Massage Design With 2 built-in moters, the heated back warmer also provide 3 levels of massage. It can enhance blood circulation and relieve lower back pain, lower back, abdomen, stomach, cramps, and sciatica discomfort within minutes of use.Warm Gift for this winter! Our heating pad is skin-friendly and could provide relieve for muscle cramp, belly, shoulder, legs, knees. It will be an ideal present for your love one, family and friend.Products include:1*Heating Pad for Waist