USB Hand Warmer Power Bank

Product information: Product material: aluminum alloy+ABS Battery capacity: 5000/10000 mA (high-quality high-temperature resistant polymer lithium battery) Product size: 110 * 65 * 30mm/140 * 658 Product charging time: approximately 4 hours Product temperature: Low temperature: 40 degrees, constant temperature: 50 degrees, high temperature: 60 degrees Product usage time: Low temperature: about 10 hours, high temperature: about 5 hours, constant temperature: about 6 hours（ Input/output: 5V/2A