Multifunctional Heating Pad with waterproof and flame-retardant construction Key features - Waterproof and flame-retardant design for safe use in various environments - 9-level temperature regulation provides precise warmth control - Optional 4-level synchronization function for coordinated operation with compatible units - Soft, lightweight material that is comfortable to wear during use - Designed for reliable performance and durable use Why you need it - Delivers targeted warmth to reduce cold-related discomfort during work or study - Flexible use for multiple body areas: hands, back, and legs - Easy to wear and comfortable for extended sessions at desks or at home Use scenarios - At a desk in winter: keep hands warm while typing, with added warmth for back and legs during long sessions - Remote work or study at home: sustained warmth for extended periods to improve comfort and focus - Relaxing at home: comfortable warmth while reading or watching TV, without sacrificing mobility Specifications and performance highlights - 9-level temperature regulation for precise warmth - Waterproof and flame-retardant materials for enhanced safety - Optional 4-level synchronization function to coordinate with other compatible units - Soft and lightweight design for comfortable wear - Emphasis on reliable performance and long-lasting durability