Stay warm and powered up with this versatile 2-in-1 Hand Warmer and Power Bank, designed to provide instant heat and emergency charging for your electronic devices. Crafted with durable ABS and aluminum alloy materials, this compact hand warmer features innovative PI carbon crystal heating technology that emits infrared radiation closely matching the human body's wavelength for efficient heat absorption and deep skin penetration. Key Features: · 2-in-1 Hand Warmer and Power Bank: Keeps your hands comfortably warm in cold weather while doubling as a reliable power bank to charge smartphones and other USB devices during emergencies. · Instant Heating with Adjustable Temperature: Offers three customizable heat settings to suit your personal comfort, easily controlled and monitored via a clear digital display. · Advanced Carbon Crystal Heating Technology: Utilizes cutting-edge PI carbon crystal elements to deliver infrared heat that penetrates deeply for effective and long-lasting warmth. · Long-lasting 5000mAh Battery: Equipped with a high-capacity lithium battery that supports extended use ranging from 2.5 to 12.5 hours depending on the temperature setting. · Multiple Safety Protections: Features comprehensive safeguards including overcurrent, overcharging, overvoltage, and short circuit protection to ensure safe and worry-free operation. · Stylish, Compact, and Portable: Sleek design available in multiple colors (White, Pink, Dark Green, Black) with a lightweight and pocket-friendly size, perfect for outdoor activities like camping, hiking, fishing, and skiing. · Easy Charging and Usage: Charges fully in approximately 5 hours via DC 5V input and comes with a USB cable and user manual for convenience. Specifications: · Material: ABS + Aluminum Alloy · Battery: Built-in 3.7V, 5000mAh Lithium Battery · Voltage: DC 5V · Charging Time: 5H ± 1H · Working Time: 2.5–12.5 Hours (depending on heat setting) · Item Size: 102 x 61 x 30 mm (4.0 x 2.4 x 1.2 in) · Item Weight: 100g (3.5 oz) · Available Colors: White, Pink, Dark Green, Black (optional) Package Includes: · 1 x Hand Warmer · 1 x USB Cable · 1 x User’s Manual (English) This portable hand warmer combines efficient heating performance with practical power bank functionality, making it an essential accessory for cold-weather outdoor adventures and everyday use. Enjoy reliable warmth and emergency power in one stylish, easy-to-carry device.