Features: Experience customizable warmth with USB powered heated wrist brace featuring three adjustable temperature settings for comfort in cold environments. Combining breathable OK fabric and soft fleece, the ergonomic design integrates straps and elastic bands for secure, nonslip fit during extended wear. For office professional, gamers, its structure supports wrist mobility without bulkiness. For workspaces, outdoor winter activities, or post workout recovery, the USB powered thermals connects seamlessly to laptops or portable chargers. Featuring plastic clasp and hypoallergenics materials, this travel readys wrist wrap delivers targeted heat while maintaining airflows for daily comfort and joint care. Specifications: Materials: OK cloth, plastic buckle, USB, elastic band Color: Black, Gray(optional) Package Includes: 1Set Thermals Wrist Sleeve 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.