Quite likely to be the M:Part Elite which is a great headset.
That's what I'm guessing, as that's what they fit to the completes and the site refers to it as "sealed headset worth £45", which is the Elite's RRP.
@Regal started
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That's what I'm guessing, as that's what they fit to the completes and the site refers to it as "sealed headset worth £45", which is the Elite's RRP.