I want to get one of these so I can record some stuff and ive done a bit of research but I was wondering if you can record bass with it or is it just for guitar.

yea it would work fine with bass buts it's geared more for guitar, like the effects. but if you're looking mainly to record than yea it would be fine. you shpuld find a place to test it out first just in case you don't like it
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If you dont mind paying a extra $100 or so, you could upgrade to the Boss BR-600. It has a bass simulator feature that you play your guitar into and it makes it sound like bass and im sure you can do bass on it aswell if you do have a bass guitar. Another thing is it has a built in drum machine and more recordable tracks than themicro BR.
My Gear:

Fender Aerodyne Stratocaster
NOS Tweed Fender Blues Jr
Boss BD-2
Boss CE-5
Boss CS-3
Dunlop Slash Crybaby
Korg DT-10
Boss BR-600
MXR Script Phase 90
MXR DD-7 Analog Delay

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Vox V847