What synth is used here(FKA Twigs-HOws that)

Hi folks, I used to post in the sound post production forum a couple of years back but at the moment I'm trying to work on some music.



Can someone tell me what synth/soft synth Twigs is using in this track(I'm obsessed with her stuff these days!), It's simply gorgeous.





http://ift.tt/1oBAxIQ

What synth is used here(FKA Twigs-HOws that)