1One key Operation: Unique cute little snowman look. Rechargeable hand warmers provide instant heating in just a few seconds. One button easy to use system, one button fast heating up 22 Different Heating Settings: This cool gadget heats up in seconds. There are two different temperatures [47~52] and [55~60] to get the temperature you want very quickly. 3Indicator: Keep your hands warm in cold weather. The battery and heat indicator will quickly display the selected heat setting and the amount of battery remaining. 4Comfortable Use Experience: The soft and comfortable surface, curved shape allows you to easily wrap around and enjoy the warmth from palm to thumb. The lightweight and stylish design can easily fit in a pocket or secure to a glove. 5Long Lasting: Hand warmer and mobile power supply in one. 6000 mAh rechargeable battery, can ensure up to 4 8 hours of lasting heat. It doubles as a backup battery for USB devices to charge them quickly. 6Multifunction: Quick hand warmers and portable power in one. It's not just a little hand warmer, it's an emergency backup battery. 7Applicable: It makes an excellent Christmas present. Ideal for outdoor sports and activities, indoor office, transportation, indoor games. Item Type: Hand Warmer Material: ABS Input: DC5V/2A Output: DC5V/2A Rated Power: 10W Battery Capacity: 6000mah Lithium Battery (delivered With Battery) Heating Temperature: First Gear 47~52/ Second Gear 55~60 Fever Time: 4-8 Hours Size: Approx. 67x80x135mm / 2.6x3.1x5.3in 1 x Hand Warmer 1 x Charging Line 1 x Description The mobile power supply function and the hand warming function cannot be used at the same time.