Far infrared gemstone heating pillow can be use for sleep, targeted area like neck pain, local pain
Main features & uses: 
Temperature setting controller and timer
Hot stone therapy 
Far infrared therapy
Negative ion therapy
When the crystals are heated, they will release abundant far infrared and negative ions naturally for therapeutic use. Adjust the controller until the pillow heated up to the desired temperature, then apply it to the affected area: neck, shoulder, back, abdomen, knee etc.
 
The potential health benefits:  
Manage chronic pain
Revitalize energy
Improve micro-circulation
Improve sleep quality 
 
Product specifications:
Dimensions: 16 (L) x 5 (W) x 3 (H) inches, 2 lbs
Gemstones type: Crushed tumbled 100% amethyst crystals
High Quality synthetic leather surface 
High Quality Mesh for stone showing
Heating System
Waterproof & Thermal Preservation Complex Aluminum Film
Non-woven Fabric For heating Wire Fix
EMF Interception Copper Winding with Silicone
Teflon Heating Wire
Temperature Sensor
Bi-metal to test temperature and prevent overheating
Pure Aluminum Film for Reflection of Infrared Rays.
Non-woven Fabric Layer for Heat Preservation
Compressed Non-Woven Cotton for thermal Protection
EMF free
Complimentary cover sheet, controller for temperature and timer setting
Delivery time: 4-7 days