Don’t know what “it” is, but you have a Marvel platform HA, so it’s a Noahlink.
Battery size 312 or having t-coil doesn’t have much in common with HiPro, the only models that don’t seem to work with HiPro are the rechargeable models.
It’s easy to tell if your model will accept the HiPro cable, open the battery compartment and look up inside the hearing aid, you’ll see the 4pin connection if it has it. Again having a t-coil has nothing much to do with it being able to be programmed with a HiPro.
(Sometimes there’s a separate cover plate on the HA that you need to pop off, easy to find if the Sky has one)