-Butterfly curved surface design, fit the cervical spine curve -Key operation, simple and convenient -15 minutes intelligent timing, built-in overheat protection device, automatic power off when overheating, safe and worry-free -Massage all parts of the body comfortably, with strong power and stronger massage -Surface mesh cloth, soft and comfortable, strong and durable, good air permeability, easy to dissipate heat -PU leather around and on the back, comfortable to touch, durable and easy to clean -Elastic bandage installation, 45-99cm stretchable, easy to fix, good elasticity -Three-speed adjustable strength, warm feeling and hot compress -Product Category: Health Care/Massage & Relaxation Package Weight: 982g Package Dimensions: 31cm x 10cm x 19cm