The foot warmer combines heating and massage to relieve foot pain and tension, ease arthritis symptoms, and provide comprehensive coverage for the entire foot or ankle. It helps keep feet warm during cold winter days. Key features Comfortable design: doublesided plush fabric with a thick cotton interior for warmth and softness. The generous lining helps retain heat for added comfort, even when not connected to power. Safe, effective heating pad: the bottom contains a soft cloth with builtin fiber heating material, insulated to ensure safety during use. USB powered: plugs into any 5V USB adapter for easy operation. Temperature and timing control Four adjustable heat levels: 40, 45, 50 degrees0, 50, and 55 degrees Celsius. Timer options: 15 minutes, 30 minutes, or 60 minutes. Use scenarios After a long day on your feet or a tiring workout, to soothe soreness and reduce muscle tension. For arthritis or chronic foot discomfort, providing targeted warmth and relaxation. At home during cold mornings or evenings, offering reliable warmth for the feet and ankles. Technical compatibility Compatible with any 5V USB adapter for power options. This foot warmer delivers practical relief with a focus on comfort, safety, and simple operation, while clearly aligning with its stated functions and specifications.