Features1Heated Neck Cervical Traction Device Pillow: USB heating neck traction pillow helps relax tight muscles in the neck and jaw, release tension and pressure, and help blood circulation. 2Effective: Heated cervical traction device dramatically relieves chronic neckshoulder pain, tension headache, pinched nerves, stiff muscles, restores neck curve and fixes dowager's hump. 3Curved Design: Neck stretcher is designed to fit the human neck, with a slight elasticity for easy pressure release. It effectively cares for your cervical spine and promotes better sleep. 4Convex Points: The pillow surface has voltage convex points that provide a comfortable sleeping experience. It conforms to the cervical spine, guides correct lying posture, and improves sleep quality. 5Widely Used: This pillow helps maintain a natural curvature of the cervical spine, releases joint and muscle pressure, and is widely applicable for outdoor camping, RV living, home life, school dormitories, and more.SpecificationItem Type: Heated Neck StretcherMaterial: PUWeight: Approx. 458g / 16.2ozPackage List1 x Heated Neck Stretcher1 x Instructions1 x Storage Bag