Features: This USB rechargeable magnetic hand warmers delivers warmth retention, effectively keeping hands in cold environments with its innovative double function design for both heating and soothing relief. Featuring advanced electric heating technology and ABS materials, it provide hour of sustained heat, ensuring durability, soft touches comfort, and performances without skin irritation. for families, office workers, and outdoor enthusiasts, this portable hand warmers caters to anyone seeking warmth during daily routines, travel, or active pursuits. Perfect for use in cold homes, offices, or during winter sports and outdoor adventures, it helps maintain comfort and soothes muscle aches after activities. It easily fits into pockets or bags, offering convenience for warmth, travel, or as thoughtful gift. Specifications: Materials: ABS/FPC/electronic components Product model: K26 Product size: 67.5x25.5x78mm Battery voltages: 3.7V Charging input=5V1A Heating temperature: 45/50/55°℃ Color: Beiges, Dark Gray(optional) Package Includes: 1PC Hand warmers 1PC Data Cable note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.