Usability Flexibility Boost: Achieved through drop prevention security, with reliable magnetic fixation, and robust fabric-metal adhesion, enabled by an innovative industrial-strength magnetic mechanism Design: Combining mobility-optimized design with instant warmth accessibility, this portable hand warmer is perfect for business settings and camping adventures without adding bulk Cold-Environment Continuous Warmth: Equipped with a thermal sensor chip, it ensures extended use safety by automatically adjusting heating levels while preventing overheating for reliable warmth in cold conditions Multi-Scenario Sustained Usage: Designed for versatile application, these hand warmers reliable warmth indoors and outdoors, adapting seamlessly to environments while maintaining energy-efficient Cold Discomfort Elimination: Designed to deliver consistent warmth through innovative double-zone constant temperature technology, ensuring uniform heat dispersal for ultimate hand comfort in winter environments Color: As Shown Material: ABS + Electronic Components Package Contents: 1*Magnetic Hand Warmers Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.