TY Hi-Z continues to confuse us all: https://www.aliexpress.com/item/TY-Hi-Z-Earbud-HP150-150ohm-HP320-320ohm-HP400-400ohm-HP400s-400ohm-HiFi-Earbuds/32727454828.html
"320M"... a different plug, but what does M mean lol
Actually they have it for quite some time. And I happened to order one last week. Hp320M. I ordered it because it's the most look like seahf v1 which a friend described as most zen 1 like sound. Well he actually said that zen1 only marginally better that seahf 320 v1