If the internal memory was formatted and the software is gone, you can often download a replacement from authorized distributors:
Yes, but only if your printer uses a serial connection. Most printers now use CH340 – check your mainboard. mq-u350 software download
Navigate: → Downloads → Software & Drivers If the internal memory was formatted and the
: Click "Start" to sync the device clock with your computer's current time. Adjust Sensitivity : Change the Voice Activation (SVOS) levels, usually ranging from -2 to +2. Select Quality : Choose between (High Quality), (Extra High Quality), or (Raw/Lossless). (Extra High Quality)
If you use the MQ-U350 with a 3D printer:
Eject the device safely. The time is set once you start a new recording. Playback and Drivers MQ-U350 User's Manual - KJB Security Products