• Comfortable, portable heated seat cushion with powerful power bank for 4.5 hours of cordless heat - ideal for indoor or outdoor use
  
  
• 3 illuminated temperature settings
  
  
• Charging function for smartphones using detachable power bank with USB cable For 4.5 hours of usage
  
  
• Temperature monitoring with safety switch off; automatic switch-off after 110 minutes
  
  
• Soft Surface and durable underside; machine washable up to 30 degrees
  
  
• Product Dimensions: 19.0 x 13.0 x 2.0 inches; 0.8 pounds

Download this product's instruction manual here