Features: ----Lumbar Health Care: dual infrared light heating, three adjustable temperature; dual motor vibration massage, three adjustable intensity, effectively relieve lumbar pain, reduce lumbar pressure and improve lumbar problems. ----COMFORTABLE TO USE: Made of high quality diving fabric, lightweight, soft and elastic, with good heat preservation performance, comfortable hand feeling, not easy to pilling, easy to carry. ----Mugwort Hot Compress: mesh bag design, you can put the mugwort bag into the mesh bag to enjoy comfortable mugwort hot compress physiotherapy. ----USB Charging: Built-in 5000mAh high-capacity rechargeable battery, supports wireless use, allowing you to relax your lumbar spine anytime, anywhere. ----DIGITAL DISPLAY CONTROLLER: Exclusive patent protection, touch screen button design, ℃/°F dual temperature unit, innovative anti-mistake touch mode, easy and convenient to operate. ----WIDE APPLICATION RANGE: This belt supports adjusting the wearing angle and elasticity, which is suitable for most people with different body shapes.