Power bank USB charging hand warmer mobile power

【Product parameters】
[Product name]: Hand warmer, power bank (double-sided heating)
[Product material]: Aluminum alloy +ABS laser engraving (LOGO can be customized)
[Battery capacity]: 10000 mA (high-quality high temperature resistant polymer lithium battery)
[Packing size]: 135*85*50mm
[Including packaging gross weight]: 210g
[Product Color]: Noble Black/Rose Gold/Dark Night Green/Chinese Red
[Charging time]: about 4 hours
[Product temperature]: low temperature: 40 degrees, constant temperature: 50 degrees, high temperature: 60 degrees
[Product use time]: low temperature: about 20 hours, constant temperature: about 15 hours, high temperature: about 12 hours (this data is tested in an air-conditioned room about 25 degrees)
【Input/Output】: 5V/2A
[Accessories of the product]: Hand warmer + gift box + charging cable + manual + cloth bag + lanyard