So my coworker handed me this today:

and said I could have it. The insides look like this:

Sorry for the low-quality pics, I don't own a smartphone.
It's definitely an rba with a coil wrapped around what may be silica (but may not be). Can anyone I identify it? rba is most definitely not my bag, I was just given this thing and I have no idea how to use it.
How many "drops" should this guy take? What info should I be posting that is pertinent to my question? The Ohm resistance checks out as 1.3 on my Vamo and Provari.
On which device should I use it?

and said I could have it. The insides look like this:

Sorry for the low-quality pics, I don't own a smartphone.
It's definitely an rba with a coil wrapped around what may be silica (but may not be). Can anyone I identify it? rba is most definitely not my bag, I was just given this thing and I have no idea how to use it.
How many "drops" should this guy take? What info should I be posting that is pertinent to my question? The Ohm resistance checks out as 1.3 on my Vamo and Provari.
On which device should I use it?
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