1Large capacity lithium battery, long endurance, bring you convenience. 2Safe and intelligent, multiple protection, overcharge protection, temperature protection, overvoltage protection, overcurrent protection. 3It can be used as a hand warmer or a power bank, dual purpose, meet your different needs. 4Light weight and in small size, easy to carry when going out. 5Twogear temperature adjustment, 3 seconds rapid heating system.
