Dual-use soldering iron with USB or battery power.
Adjustable temperature.
Includes: rosin, soldering iron holder, storage box, heating element, solder, and USB cable (Type-C).
Power-on status:
1. Press and hold the button for 5 seconds to turn on the power. The three LEDs will flash three times to indicate power-on.
2. Press the button once to activate the first temperature mode. The LED will light.
3. Press the button again to activate the second temperature mode. Both LEDs will light.
4. Press the button again to activate the third temperature mode. The three LEDs will light.
Power-off status:
Press and hold the button for 5 seconds. The LEDs should flash simultaneously to indicate power-off.
Low battery indicator: One flashing LED indicates low battery.
Sleep function: Automatically enters sleep mode after ten minutes.
Specific References