Feature1.100% brand new and high quality2.Suitable for home 3.Hand warmer mobile power supply, four functions in one, with hand warmer + mobile power supply + lighting + massager function (massage function can also be canceled), there are three temperature levels, hand warmer can reach about 5 hours, low-end 10 Hours, double intelligent IC program protection, safe and stable 1.materialAluminum alloy+ABS laser carving2.colorAs the pictures shown3.One. Product parameters[Product name]: mobile power hand warmer (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)[Product size]: 110*63*33mm[Packing size]: 135*88*50mm[Single net weight]: 0.185kg[Gross weight with packaging]: 0.230kg[Product color]: rose gold / space silver / noble black[Product 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 10 hours, high temperature: about 5 hours, constant temperature: about 6 hours (Input/Output: 5V/1A[Accessories of the product]: Hand warmer + manual + charging cable + gift box + cloth bagNote:Please allow minor error due to manual measurement.The colors may be a little difference for the different monitor display.