Vid 346d Pid 5678 [updated] -

This is because of . Shenzhen Feitian sells the hardware to a reseller. The reseller puts their logo on the plastic casing but provides their own drivers. Feitian often does not host drivers for these specific PIDs on their own public website because they expect the reseller to handle support.

Right-click the device -> Properties -> Details tab -> Select Hardware Ids from the dropdown menu. Verify it shows USB\VID_346D&PID_5678 . vid 346d pid 5678

A unique 16-bit number assigned by the manufacturer to differentiate between individual product models. This is because of