[Universal USB Compatibility]: The Sojoy USB heating pad is designed to be Compatibility with various USB interfaces, providing convenient and versatile heating options wherever you go.
[Fast-Heating Technology]:The USB Heating Pad is designed to warm up in just a few seconds, providing you with instant comfort and soothing warmth to alleviate back pain.
[Multi-Level Heat Settings]: USB heating pad has 3 heating levels,you can choose a fit warm to relief pains.Just plug into a power bank (5V,2A) and press it for seconds to turn on,then press to change the heating levels.
[Effective Pain Relief]: This heating pad delivers effective relief from abdomen cramps and pain in the back, waist, legs,shoulders discomfort. Relief muscle cramps, promoting relaxation and improving blood circulation.