If it is from the LCSC library then it will have an LCSC part number so you can look for it on the LCSC website. If you hover the mouse over it in the Search Libraries tool then you can read the Description. If this does not have enough information then the next step is to check the PCB Footprint and then see if you can find a suitable device in that package from somewhere like RS Online, Mouser or DigiKey. Then place the symbol in the schematic and edit the Supplier, Supplier Part, Manufacturer, Manufacturer Part and add a Description (Use Add Parameter). I suggest you read (2.3) in (2) in: [https://easyeda.com/forum/topic/How-to-ask-for-help-and-get-an-answer-71b17a40d15442349eaecbfae083e46a](https://easyeda.com/forum/topic/How-to-ask-for-help-and-get-an-answer-71b17a40d15442349eaecbfae083e46a)