Turn on: press 5 times
Turn off: press 5 times
Working voltage: 3.2v(red color) -3.7v(blue color) -4.0v(white color)
Voltage change: press 3 times
Feature: adjustable voltage, preheat function
Contact: Nancy. Lin
Phone: +86-13764151990
Whatsapp: +8613817973655
Add: Sandong Industrial Zone 8C Tai'xiang Road, Huicheng area, Huizhou, China
