Wireless Heating Pad: Compared to other plug-in heating pads, portable heating pads offer rechargeable battery packs and integrated pockets that you can use in bed, work, cooking, chores or outdoors without being stuck in one place and enjoying freedom of movement.HEATING IN SECONDS: This battery-powered heating pad comes with 3-stage heating for most needs, with even heat distribution and 5s fast heating.Heating Pad for Back Pain Relief: Heated Back Bracket adopts the latest heating technology, which can quickly heat to improve blood circulation and relieve low back pain, waist, abdomen, stomach, cramps, sciatica, you will feel relieved within minutes of your use .Smart security settings: long press the button for 3 seconds to turn on/off. The default is high temperature when turned on. It will automatically switch to medium temperature after 5 minutes of inactivity. If you need high heat, push the button to the red light yourself.