• Comfortable, portable Rechargeable heating belt with powerful detachable power bank for 2 hours of cordless heat - ideal for indoor or outdoor use
  
  
• 3 illuminated temperature settings
  
  
• Charging function for smartphones using a detachable power bank and USB cable
  
  
• Temperature monitoring with safety switch off; automatic switch-off after 110 minutes
  
  
• Maximum flexibility of movement; does not appear bulky and can be worn under clothing
  
  
• Makes it Perfectly Snuggly and skin-friendly
  
  
• Machine-washable at 86 °F

• Fits all waists up to 47 inches

• Product Dimensions: 11.0 x 7.0 x 2.7 inches; 0.9 pounds 

Download this product's instruction manual here