Where do I find the Serial Number (SN) of my Plaud NotePin? | find NotePin serial number | where is the SN on my pin | locate NotePin SN for warranty | NotePin serial number location

You can find the Serial Number (SN) of your Plaud NotePin in any of these places. The SN is used for product management, device maintenance, and warranty services.

Check the box the recorder arrived in. The SN is printed on a label.
Open the Plaud App, connect your device, and go to the device settings page. The SN is shown there.
Check the back of the device.