light version(Seller Recommended) Features 1.This cervical fixator can support the shoulder and neck, reduce the pressure on the cervical spine, guide the correct shoulder and neck massage, and effectively relieve the discomfort of the cervical spine. Features 2.0.26KG lightweight design, light and thin, breathable and durable, comfortable to use and no burden, reducing the possibility of secondary injury. Features 3.Ergonomic design, dynamic traction to relieve cervical spine compression; one-button deflation, simple operation and convenient use. 4.The high-viscosity velcro is tight and non-slip, wear-resistant and durable, and can freely adjust the elastic size to meet different sizes of cervical vertebrae. Features 5.The rotating button can freely adjust the traction force and the up and down distance to meet the needs of different people and make the neck traction more comfortable. Features 6.The open design of the neck position does not affect the throat and respiratory tract, and can maintain comfort when worn, away from dampness and heat. Features 7.This cervical fixation device is suitable for office, housework, rest, reading, entertainment and other occasions. Specifications Material: PP, POM, ABS+PC, sponge, fleece cloth, edge cloth Product color: light green Product size (cm): 24.5*19.5*21.5CM Packing List 1* Cervical fixation device 1* Inflatable support 1* English User Manual regular version Features 1.Built-in heating pads will provide fix hot traction for your neck and cervical spine, the hot compress can promote blood circulation to help improve the inflammation of the cervical spine, nerve roots, joint capsules, muscles and other tissues subside, and also can prevent a variety of middle-aged and elderly diseases. 2.Ergonomic design can perfectly fit your neck curve to protect your neck and other sensitive areas from uncomfortable compression and pressure, Traction increased by 60%,free to adjust the traction and fixation for better effect. 3.The self-operated neck traction kit can powerful and comfortable support with easy traction to distract the pressure on muscle, nerve tissue and minor fractures of the cervical spine, relieve neck pain and numbness, cervical deformity pain, headache, dizziness, neck stiffness and fatigue, suitable for cervical lordosis, straightening, anti-bow, cervical canal hyperplasia, stenosis pain and other traction correction. Specifications Material: Cotton-woven Fabric+PP Plastic Color: Grey & Blue Working Voltage: 5V Current: 2A Heating Temperature: 3 Adjustable Levels(Level 1: 45C -- Level 2: 55C -- Level 3: 65C) Traction Height: 5 Adjustable Levels Power Supply: USB/DC 5V 2A Packaging Size: appr. 25*19.5*22cm Package Included 1* Neck Cervical Traction Apparatus Kit(As Picture Shown)