Feature:1. Rechargeable: Hand warmer battery capacity of 2400mah, fully charged for 36 hours of continuous use, with Type C charging cable. With silicone anti drop cord, you can hanging it on your backpack as a decorative item.2. 3 Levels Temperature Adjustment: Long press the switch and click to switch modes, 40 50 60 three levels adjustment; fast back heating, so you can feel the warmth in a short time.3. Single Sided Heating: The single sided heating of the hand warmer is energy efficient and heats the palm of your hand well.4. Small And Portable: Stylish and simple design, beautiful packaging, compact and easy to carry, you can put it in your pocket while doing outdoor sports such as fishing, traveling, camping, skiing, cycling, etc.5. Gift: Spaceman appearance design, ergonomic design, comfortable grip, especially suitable as a warm winter gift for loved ones, children, parents and friends. It is the best gift for Christmas, Halloween, Thanksgiving and New Year.Specification:Item Type: Hand WarmerMaterial: ABSColor: WhiteBattery Type: Built in 2400mah Lithium Battery (Included)Heating Temperature: 40 50 60 Three Levels Adjustment.Package List:1 x Hand Warmer1 x Charging Cord