Full details of the Xperia PRO-I are here. Pricing seems to be more reasonable than the Xperia PRO launch price - still not cheap though!
xperiablog.net/2021/10/26/xp…
OMG - the Xperia PRO-I has a built-in wrist strap hole. This used to be a standard feature in Xperia smartphones years ago. Such an underrated feature and needs to make a comeback!