1.[ Relieve Neck Pain and Stiff ] This heated cervical pillow is used to help relieve neck pain, headaches, migraines, and stiff neck. Heated neck pillow can give us cervical neck pain relief, neck pillows for pain relief sleeping give you a cervical neck traction support while giving you a heat and magnetic, cervical pillow make your cervical spine regain to a y curvature and alignment. Suitable for the elderly, students, IT staff. 2.[ Ergonomic Design Neck Pillow ] The cervical pillow contour design aligns your head, neck, shoulder, neck support pillow give you good support and reduces the stress in the cervical spine. Perfect semi-circular curvature helps the vertebrae stay relaxed, keeps neck and shoulders aligned, and maintains the natural curvature of the spine, so the neck traction pillow can be used as a posture pillow to adjust cervical curvature. 3.[ Hot Compress and Magnetic ] We added magnetic and heat function on the basis of ordinary neck pillow and neck relaxer. Occipital neuralgia pillow can help blood circulation by heating, while giving you a hot and magnetic experience to help relieve neck and muscle pain, thus effectively help relief neck muscle tension and fatigue. It can't be recharged, only plug the USB cable into the power bank, PC or USB adapter (5V=1A charger/DC USB input) 4.[ Memory Foam Pillow ] Detachable pure cotton pillowcase is skin friendly, soft and breathable, each bolster pillow core is made of high- quality slow rebound memory foam, durable and keeps shape without getting flat or hard for long time use. The bolster pillow can make you sleeping in comfort, this neck roll pillow can support your neck all night.