USB Electric Heated Blanket 140CM with Timer for Bed, Office, Back and Knee WarmthUSB Electric Heated Blanket 140CM with Timer for Bed, Office, Back and Knee Warmth Intro This USB electric heated blanket provides fast, soothing warmth for your bed, office chair, back, and knees. Its extended 140CM size and timer function make it ideal for all day comfort and targeted heat relief. Key Features Adjustable Heating with Timer Customize your warmth with built in timer settings that offer safe, worry free heating. USB Powered Convenience