Description Warm hand with a button to open, the core switch, control freely, Use 5V2A fast charge, full charge requires about 1.5H, sustainable use about 3H Type-C fast charge: fast charge and return, long-term heating, 4000mAh large capacity lithium battery, warmer life lasting Charging Tip: When the power is weak, the indicator light keeps flashing to remind you to charge. When charging, the indicator light continues to breathe. When it is full, it will be extinguished. Constant temperature and warmth: After the hand warmer is turned on, it will continue to heat up, 6S will heat up, and the temperature will reach 42 C in 2 minutes, then it will continue to heat up until 58 C to maintain constant temperature, intelligent temperature control, temperature overheating will automatically power off protection Product Name: Avocado Hand Warmer Product model: H-W-01 Product weight: about 165g Battery capacity: 4000mAh Rated voltage: 5V/2 Rated power: 7.5W Maximum temperature: 58 C to maintain constant temperature Size:95.5*65.5*48.5mm Material:ABS+ aluminum Colour:green Package Contents: 1 * hand warmer 1 * USB cable Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.