Features 1. USB interface charging: built-in 2400 mah lithium battery (included), free USB data cable, convenient and fast, reusable hand warmer. 2. High heating efficiency: cat paw cute handwarmer takes only a few seconds to quickly heat up. Long press to open the machine, short press to adjust the high temperature and low temperature, which is very suitable for outdoor use. 3. Comfortable and lightweight: cat paw hand warmer is made of skin-friendly material, comfortable to hold. It has a compact structure and lightweight, which is easy to carry. You can hang it on your backpack by using a silicone anti-drop rope. 4. Cute cat paw design: It has practical functions and is also an ideal decoration. It is especially suitable as a gift for lovers, children, parents, and friends. 5. Occasion: hand warmers rechargeable suitable for home, outdoor, office, and other occasions. It can be given to friends as a gift. Keeping warm in winter is very important. It can also be attached to the abdomen. Specification Material: ABS Color: White, Pink, Green Size: 7 x 8 cm Weight: 116 g Battery capacity: 2400 mAH Package Include: 1× Hand Warmer