Material: Polyester Size: 42*18cm / 16.55"*7.09" Battery: 10000mAh, 5V2A 10W Color: As shown 1. Three-level temperature control allows for flexible temperature adjustment (red 65°C/green 55°C/blue 45°C), meeting heating needs in varying cold environments. Heats quickly and evenly, providing long-lasting warmth. 2. Built-in 10000mAh high-capacity battery provides long-lasting battery life and convenient USB charging, making it suitable for outdoor sports, commuting, travel, and more. 3. The halter design reduces hand strain, ensuring comfortable and effortless wear. It's especially suitable for outdoor activities like youth football games, skiing, and morning jogging, ensuring hands-free comfort and convenience. 4. The front storage pocket is practical for keys, cards, or small items. The outer material is removable and washable for cleanliness and extended life. 5. Multifunctional heated hand muffs, which function as both hand warmers and electrically heated gloves, are suitable for a wide range of people and make a thoughtful and heartwarming winter gift for parents, children, and friends. Package includes: 1pc Electric heating hand warmers