Product Model: USB Portable Soldering Iron
Input Voltage: 5 Volts
Operating Current: 1.8 Amperes
Temperature Range: 200-450 (℃) / 392-842 (℉)
Interface Type: Type-C Interface
[Power-On Operation]
In the power-off state, long-press the "Power On / Main Power Switch" for 3 seconds to turn on the device. The display screen will show the real-time temperature change until the set temperature is reached.
[Power-Off Operation]
In the power-on state, long-press the "Power On / Main Power Switch" for 3 seconds to turn off the device. The display screen will show "OFF" (indicating shutdown).
[Temperature Indication]
After power-on, the temperature icon remains on; when the temperature reaches the set value, the icon starts to flash. Short-press or long-press the "+" key or "-" key to adjust the temperature.
[Unit Conversion]
In the power-on state, double-click the "Power On / Main Power Switch" to switch between Celsius (℃) and Fahrenheit (℉).
[Sleep Mode]
In the power-off state, press the "+" key and "-" key simultaneously to enter the sleep mode setting interface:
Press the "+" key to enable sleep mode (the display shows "S-0");
Press the "-" key to disable sleep mode (the display shows "S-F").
After sleep mode is enabled, the soldering iron will automatically enter sleep mode (heating stops, and the display shows the sleep symbol) if it works continuously for 10 minutes. Press any key to wake up the device; if there is no operation within 5 minutes after waking up, the device will shut down automatically.
[Low Battery Reminder]
When the display flashes "L-0", it indicates that the device has low battery and needs to be charged in time.
[Heating Element Fault]
When the display flashes "888", it indicates that the heating element is not installed correctly or may be damaged.








