- Fast Heating: Experience immediate warmth with our electric hand warmers, providing double-sided heat in seconds. Just press a button for reliable heat to keep your hands cozy during cold weather. - Adjustable Temperature Settings: Customize your comfort with three temperature levels indicated by colored lights: Red (50 - 55℃), White (45 - 50℃), and Blue (40 - 45℃). Simply press the power button to switch between temperatures. - Thoughtful Design: Made from soft, comfortable velvet, these hand warmers feature a zipper for easy access and stability in various weather conditions. An adjustable shoulder strap allows you to keep your hands free while enjoying warmth. - Versatile USB Charging: The hand warmer bag offers USB interface compatibility, allowing you to power it through your PC or car charger. Enjoy multiple hours of heating on a full charge for lasting comfort. Practical Use Scenarios: - Outdoor Activities: Perfect for hiking, skiing, or other outdoor adventures, ensuring your hands stay warm while you enjoy nature. - Commuting: Ideal for those cold morning commutes, providing quick warmth to your hands while driving or waiting for public transport. - Workspaces: A great companion for chilly office environments, keeping your hands toasty while you type or work. Stay warm and comfortable in any situation with our electric hand warmers, expertly designed for daily convenience and efficient performance.