Product parameters Material: cotton woven fabric + PP plastic Current/Voltage:5V/2A Heating method: USB (available with rechargeable battery/phone charging head) Heating position: hot compress 45-55-65 three temperature adjustment front rest 5 height adjustment Package size: 25*19.5*22cm Product net weight: 420g Lifting and adjusting fixed thermal traction, 60% increase in traction force Used for traction correction of cervical convexity, straightening, anti-arch, cervical spinal canal hyperplasia, stenosis pain etc. Hot compress can promote blood circulation, help the cervical spine, nerve roots, joint capsule, muscles and other tissues of moisture and inflammation subside, and prevent various middle-aged and old-age diseases. Protects the anterior sensitive parts of the neck from compression and adjusts traction and fixation. Translated with www.DeepL.com/Translator (free version) Adjustable and adjustable fixed thermal traction, traction increased by 60% It is used for traction correction of cervical lordosis, erection, anti-arch, cervical spinal canal hyperplasia, stenosis and pain. Hot compress can promote blood circulation, help the moisture and inflammation of cervical vertebrae, nerve roots, joint capsules, muscles and other tissues to subside, and prevent various middle-aged and elderly diseases. Protect the sensitive parts of the neck from compression, adjust traction and fixation. Package content: Protective suit*1, USB cable*1, manual*1