100% brand new and high quality Features: 2 in 1 hand warmer: Hand warmer / 10000mah power supply. It is not only a hand warmer, but also an emergency backup battery. Using it in the cold winter can alleviate cold hands, which has a great advantage for Raynaud's arthritis patients. Warm gift: It is also a warm gift for girls, boys, teenagers, children, men, women and the elderly. Easy to carry: It is the right size to hold in your hand. When walking, fishing, hiking, camping, skiing, you can take any pocket or bag with you to make it easy to carry. Long lasting heating: The hand warmer has a long battery life and is equipped with an amazing 10000mAh battery. The working time is up to 7-9 hours. Continuous heating makes you no longer afraid of the cold. Suitable for outdoor sports, camping, skiing, fishing, hiking, traveling and so on. Warm hands mode: Double-click the warm hands function.The first click to turn on, click again to close the warm hands function; Click gear adjustment, there are low temperature and high temperature degrees to choose from. Specification: Material: Plastic+Metal Optional colors: Blue/Gray/Pink/Yellow Gray: approx.12x7.22x3.2cm/4.72x2.84x1.26in Blue: approx.12.76x7.22x3.2cm/5.02x2.84x1.26in Pink: approx.13.48x7.22x3.2cm/5.31x2.84x1.26in Yellow: approx.12.16x7.22x3.2cm/4.79x2.84x1.26in Rated voltage: DC-5V Rated power: 10W Power supply method: USB charging Charging time: Charging for 6 hours Battery capacity: 10000mah Quantity: 1Pc Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Contents: 1xHand Warmer(other accessories demo in the picture is not included.)