Zyllion Shiatsu Back And Neck Massager With Heat - 3D Kneading Deep, Zma-13 Advanced 3D Deep Tissue Massage: Ease sore and stiff muscles with two soft silicone nodes on each side; Soothing kneading sensation penetrates through painful knots, especially on your lower back (lumbar area); Not cordless, must be plugged in Recommended by Doctors of Physical Therapy: The electric massager is regularly used in clinics to alleviate chronic neck and backpain, arthritis, sciatica, stress, discomfort and headaches; a therapeutic solution to reduce muscle tension and soreness Ergonomic Versatile: Fits your body's contours: arms, hands, legs and even feet, to help relieve plantar fasciitis while the Velcro straps secure the massager to an office chair or car headrests for road trips or work commutes (car adapter included) Tested Certified: Built with safety in mind, heat function has overheat protection, automatically shutting off the back massager after 20 minutes; Each side rotates every minute for safe and balanced comfort to help relieve muscle aches and spasms Perfect Self-Care Wellness Gift: For your mom, dad, wife, husband, friends and family; includes an automatic 1-year warranty (from purchase date), if any issues arise within the first year, we'll replace your massager, cover or any accessories