Samsung Gear Fit2 Pro official page was published hours before the Note8 unpacking, most probably by accident. It's basically the same as the original Fit2, but enhanced with 5ATM water resistance, MIL-STD-810G certification for sea water, shock, UV, and more, and support for the new swimming exercises.
Just like the new Gear Sport, the Gear Fit2 Pro automatically detects your workout GPS position, and tracks your progress and heart-rate. The new S Health app will help you get started with lots of videos and tutorials.
The Gear Fit2 Pro will be available in pure black, or black with red interior.
Samsung has partnered with various companies for enhanced user experience. Spotify allows you to save up to 500 songs for offline listening, you also get 1-year premium subscription for UA Record for free. Partners such as Speedo and Under Armour will offer their expertise for the swimming workouts and probably some matching suits.
The Gear Fit2 Pro, just like the previous Gear Fit2 will be available in Small and Large sizes, sold separately.
The last accessory announced by Samsung was the Gear IconX (2018) cord-free earbuds. Those are the second generation IconX and come with improved battery life - they can offer 5h of streaming music (7h when in standalone mode) or 4h of talk time.
The charging case is smaller than before, supports quick charging and you can get a full charge of it. Samsung says 10mins of charging through the case will give you battery enough to last you 1h of exercises.
The new Gear IconX (2018) have 4 gigs storage for songs, but also come with a personal running coach, which will offer words of encouragement through your workouts.
The buds have touch-sensitive surface with gesture support - single/double/tripe tap, single/double tap and hold, and swipe up/down. The IconX (2018) also support Bixby, of course.