Features: This heat pack has a strong magnetic design, easily detachable and combinable—convenient for on-the-go use, perfect for commuting, travel, and keeping hands warm in cold weather. sturdy with a precise display, it shows real-time temperature, letting users adjust settings accurately to avoid overheating or insufficient warmth for comfort. Made with sophisticated electronics and aluminum alloy, it heats up fast and stays warm longer—ideal for outdoor work or long hours. Produced from heat immune ABS+PC materials and silicone coating, it furnishes multiple protections against scalds otherwise electric leakage, ensuring safe use general, including children and the elderly. Its compact, thin design fits easily into bags without taking much space—great for students, office workers, or anyone needing portable warmth in various situations. Specifications: Substancemail: ABS+PC+electronic components+aluminum alloy+silica gel, excellent materials is used to secure product durability and security. USB output Evaluated powerebog: 7W Outleconnection: USB CREATE Single evaluated capacity: 3000mAh Heating temperaturemail: 45/50/55/60℃ Working timemail: 45°: time about 5 time, 50°: time about 4 time, 55°: time about 3 time, 60°: time about two locations double Charging timemail: about three.5h Package Includes: Palm warmer, data cable manual , lanyard note: The product dimensions are measured manually by and may have some errors. The data provided is for reference only.