Advanced usability features Portable pocket size heater that combines heat and light with userfriendly singletouch controls. It provides HD temperature visibility and realtime warmth updates, complemented by gentle LED illumination for cozy environments. Portable and compact design Palmsized, pocketfriendly hand warmer for travel. Its compact form ensures easy carrying and convenient storage during trips or daily use. Enhanced practical design 2in1 hand warmer that blends fast charging with a builtin light, delivering practical value for outdoor use and everyday activities. Dependable heat protection Overheat autoshutdown and a flameretardant exterior provide peace of mind. Built for a sturdy design and sustainable battery performance. Key attributes Function and features: Heat and light delivery with singletouch control; HD temperature display; realtime warmth updates; gentle LED lighting. Size and portability: Palmsized, pocketfriendly design for easy carrying and storage. Materials and safety: Flameretardant exterior; durable construction; autoshutdown protection for overheating. Performance and longevity: Fast charging capability; efficient battery performance and reliable operation. Use scenarios Commuting in cold weather or waiting outdoors: quickly warms hands during rides, queues, or outdoor events. Travel and outdoor activities: convenient for camping, hiking, or evening walks where a compact heat source and light are beneficial. Desk, home, or bedside use: provides a comfortable warmth and ambient light for a cozy, lowlight environment.