Introducing the As Seen on TV Handy Heather Freedom Powerful, Wearable, and Personal Heater Flexible Neckband - For a Custom Fit Compact, Lightweight, and Portable Runs Up to 6 Hours Per Charge* USB Rechargeable Battery Comfort-Heat Technology Heating Neckband with 4 Heat Settings Great for Indoor and Outdoor Use Hands-Free Heating *Run time will vary depending on the speed setting.