Features: 1. Hand warmer & Powerbank combo. It's not only a little hand warmer but also an emergency back-up battery with 5200mAh capacity. 2. 55 centigrade constant temperature warms your both hands. Easy to use with only ONE button. Fast heating up in a few seconds. 3. Rechargeable hand warmer with pocket-size. Ergonomic design, the shape fits the natural curve, and the surface coating is delicately processed/soft to the touch. 4. Quality ABS + alloy materials made, which features durability. Cute cartoon design, it is a nice hand warmer to hold and feels smooth in your hands. 5. Handy carrying anywhere with any pocket or bag while sporting, fishing, hiking, camping, skiing, travel or play sports outdoors. Also a perfect reusable hand warmer option in cold weather for office worker. Notice: Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Charging mode and hand warming mode cannot be used at the same time. Capacity: 5200mAh Size: as shown Weight: 150g Input: DC 5V/1A Output: 5V/1A Quiescent current: