The Ember Combo Hand Warmer & 10000mAh Power Bank combines a dual-sided hand warmer with a high-capacity power bank for ultimate convenience. Heats up to 130 degrees Fahrenheit to keep you warm during cold weather and features a 10000mAh UL-certified lithium-ion battery to charge devices on the go. Compact and portable, it’s made with sleek aluminum alloy and ABS. A QR code is printed on each item and/or gift box providing access to the latest user manual. Includes USB-C cable, FCC certified, perfect for outdoor activities, travel, or daily use.