yes. it’s 5pin doesnt have standard. but, all of them using ready-made parts. 5pin connector’s original purpose was magnetic power connector. chinese using it for usb 5-pin. it matches 1 by 1. that is why 5-pin keyboards are compatible. but, devices holder parts are varies. sometimes it wont fit well.
cube i7 stylus from cube store is too. there are no MSDM table. it seems they omitted it to reduce price. i asked them for purchase license, but they dont response.