Portable Heating Pad With Massage : Compared with other plug-in heating pad, portable heating pad with offer a rechargeable battery and 3 vibration modes, which you can use in bed, working, cooking, housework, or outdoors, no need to be stuck in one place, allowing you move around freely while, enjoy heat on the go 5s Instant Heating Technology: battery operated heating pad with a 10000mAh battery to easily switch between 3 heat settings and 3 vibration modes, allowing you to enjoy effective heat at different temperatures, that runs for up to about 4 hours on Low setting, 3 hours on Medium, and 2 hours on High. (You can get an extra battery from our store if you need more heating. ASIN: B09CPXFTCP) Coverage 4 Heating Zones: Electric heating pad is in a large size:16'' x 22'', and 4 heated zones that cover the neck, left and right shoulders, and upper spine; The heating pad can be used on various body parts, including the legs, shoulders, back, waist, and belly 2.2 lbs Weighted Design And Snug Fit: The neck and shoulder heating pads have slightly weighted edges and are filled with micro-glass beads for a better fit around your neck and shoulders. Do not worry about the heat pad slipping or falling off because it is secured with 2 snaps and 2 straps, ensuring fit and reducing heat loss Intelligent Security Settings: Long press the button for 3 seconds to turn it ON/OFF. The default is the High temperature when it is turned on. It will automatically convert to Medium temperature after 5 minutes of no operation. If you need a High temperature, please press the button on the red led by yourself