Style upgrade: Elevate your winter look with the electrolity edge design of these rechargeable hand warmers, keeping you warm while enhancing your style. Three temperature settings: 45, 55 and 60 provide adjustable warmth to meet your needs in any environment. materials: Built with quality materials and a comfortable design to deliver warmth all season long. Smart heating: Intelligent temperature control with a realtime digital display screen for targeted warmth and consistent comfort. Use scenarios Commuting to work or running errands in cold weather. Outdoor activities such as hiking, camping, or watching outdoor events. Indoor use in the office, at home, or in other chilly indoor environments. Key attributes Rechargeable hand warmers for portable, reusable warmth. Durable construction with a focus on comfort and longlasting performance. Clear temperature readout via the digital display for easy monitoring.