The phrase "rumoured specs" refers to information or details about a product that are not confirmed, but are spread through rumors or speculation. Full definition
Other rumoured specs include USB - Type C, NFC, face recognition unlocking, a 3.5 mm audio jack port. (dealntech.com)
Other rumoured specs of this said tablet have it packed with a 2 GHz Exynos processor. (mobilesyrup.com)
As for rumoured specs, the S9 is expected to feature a Snapdragon 845 chip, 5.7 - inch display, 8 - megapixel front - facing camera with autofocus, 12 - megapixel camera that has the ability to switch between f / 1.5 and f / 2.4 apertures, and the same iris scanning tech that is found in the current S8. (mobilesyrup.com)