Description One-button start, three-stage temperature control, humanized pocket design, hidden charging port, warm hands, a fire in winter, a real heart-warming companion. Third gear: first gear: 3540C15 (press once), second gear: 45-50C15 (press twice), third gear: 55-60C15 (press three times) Mode indicator light: A. When working, the indicator light is blue, and the mode indicator light is always onA. When working, the status indicator light is blueB. The status indicator light is red when chargingC. After fully charged, the red indicator light is off and the mode indicator light is on Note: Please turn off the device when charging,Do not use and avoid burns.Dimensions: approx. 6.5 x 2.5 x 8 cm Quick hand warmer and power bank combined into one. It is not only a small hand warmer, but also a backup battery. Double-sided heating, 3 different heating gears: first gear: 3540C15 (press once), second gear: 45-50C15 (press twice), third gear: 55-60C15 (press three times) 3 indicator lights let you know the remaining power and heating status at any time. Equipped with a special lithium-ion protection board: effectively prevent overload, over-discharge, over-current, short-circuit, etc. Portable Large Capacity: Correct size and smooth feel. You can take any bag or bag with you when playing sports, fishing, hiking, camping, skiing, traveling or outdoor sports. It is also the perfect reusable hand warmer solution for cold weather commuters or office workers. Package Included: 1* Hand Warmer Note: 1. Please allow some errors due to manual measurement. Please make sure you do not mind before bidding. 2. Colors may vary due to different monitors, please understand. Hello, please pay attention to your delivery address when purchasing the product. If your receiving information (eg: name, street, house number, doorbell/email with no name, etc.) is incorrect, the order will not be delivered correctly.