Safety and convenience: This USB direct power foot warmer uses a 5V 2A input and operates without an open flame, providing safe, hazard warmth for peace of mind. Comfort and ease of maintenance: Crafted from ultrasoft flannel, the outer fabric is plush and washable. The inner heating pad is removable, making cleaning quick and hygienic for continued use. Reliable warmth and performance: Delivers steady heat up to 45 ± 5 degrees, helping feet stay toasty in cold weather. Practical design and compatibility: Simple, plugandplay operation with a USB power source. Designed to function through standard USB power supplies, keeping usage straightforward and reliable. Use scenarios: At a desk or on the sofa: Keep feet warm while working, browsing, or relaxing without flames or noise. In bed or on the couch: Enjoy cozy warmth during chilly evenings, enhancing comfort while reading or watching TV. In travel or cold rooms: A convenient way to add warmth in hotels, offices, or other environments where a quick USBpowered heat source is available. Key attributes: function (foot warming), material (ultrasoft flannel), removable inner heating pad for cleaning, 45 ± 5 degree warming, USB 5V 2A input, no open flame, safe and hygienic.