1、Cute and Unique: The unique cute cup appearance makes you the coolest person. The rechargeable hand warmer can provide you with instant double sided heating in just a few seconds. One button easy to use system, one button quick heating. 2、2 Heating Settings: This hand warmer can heat up in a few seconds. There are 2 different temperatures [45~50℃] and [55~60℃] to quickly reach the temperature you want. Let you keep your hands warm in cold weather. The battery and heat indicator will quickly display the selected heat setting and the remaining battery power. 3、Comfortable Hand Feeling: The soft and comfortable surface and the curved shape allow you to easily wrap around and enjoy the warmth from the palm to the thumb. The lightweight and stylish design can be easily put in a pocket or fixed in a glove. 4、Hand Warmer, Mobile Power Supply, Night Light 3 in 1: 10000 mAh rechargeable battery, which can ensure long lasting heating for up to 8‑10 hours. It doubles as a backup battery for USB devices, charging the device quickly. The night light function provides warm lighting. 5、Multi Function and the Best Gift: Fast hand warmer, mobile power supply, night light three in one. It is not only a small hand warmer, but also an emergency backup battery. It is an excellent gift. Very suitable for outdoor sports and activities, indoor office, transportation, indoor games. Item Type: Hand Warmer Material: ABS Size: Approx. 74 x 74 x 136mm/2.9 x 2.9 x 5.4in Input: DC5V/2A Output: DC5V/2A Rated Power: 10W Battery Capacity: 10000mAh Lithium Battery (Included) Heating Temperature: 45~50℃ in the First Gear/55~60℃ in the Second Gear Heating Time: 8-10 Hours 1 x Hand Warmer 1 x Charging Cable