On 08/03/2019 10:50, micky wrote:

I don't think the Dell Latitude E4300 came with bluetooth.

Some did, most, I think, did not. The way to tell is to look at the
underside - if the area containing labels, electrical clearance
certificates, etc, has a label in every quadrant, then the laptop was
supplied ex-factory with Bluetooth, if, as is more usual, one quadrant
is blank and free of any labelling, then the laptop was supplied
ex-factory without Bluetooth, but you could still buy the module and
install it very easily yourself - it goes behind a cover in the
battery compartment, there's a connector there for it, even in the
models supplied without.