This lumbar massage pillow is made of PU and soft fabric, dimension 370125245mm. Powered by built-in 2000mAh battery, 7.4V working voltage and rated power 24W. It supports forward and reverse kneading rotation with 3 adjustable massage intensities, plus 2 levels red light hot compress to warm and relax stiff waist muscles. Portable design with handle, suitable for use on sofa, office chair and car seat. Great for people with long time sitting, effectively ease lumbar fatigue. It is also a thoughtful gift for family.