K211 soldering iron1, USB portable precision solde

1, USB portable precision soldering iron, using 210 heating core. 2, the use of USB-TYPE-C charging port, more practical. 3, Celsius/Fahrenheit (C /F) conversion. 4, temperature compensation function, sleep function (stationary 10 seconds). 5, soldering iron can be used alone, can also be used with professional brackets.