Fast Heating Foot Warmer Rapid heat technology delivers instant warmth for soothing comfort in cold weather, providing a reliable solution for daily relaxation at home or in the workplace Flame Retardant Design Safety oriented with overheat protection and flame retardant materials, ensuring worry heating while delivering all day foot warmth Ideal for secure under desk use and convenient daily operation Plug and Play Functionality USB powered heating technology for easy, energy efficient warmth Compatible with various power sources such as laptops, power banks, and USB adapters, enhancing portability and usability anywhere Efficient Heat Management Constant temperature technology provides long lasting warmth Designed to maintain comfort with low power consumption for economical heating Key attributes Function: Foot warming with rapid heat and long lasting warmth Compatibility: USB powered; works with multiple USB power sources Size and footprint: Compact design suitable for under desk and foot area use Material: Flame retardant materials for enhanced safety Performance: Instant warmth, steady temperature, energy efficient operation Use scenarios At a desk or workstation to keep feet warm during cold workdays Relaxing at home on a couch or bed for comfort and warmth In shared spaces or while traveling with a USB power source, such as a laptop or power bank, for portable warmth