Among other accessories for Galaxy Note 5 and Galaxy S6 Edge+ a keyboard cover appeared to be the most arguable one. It was introduced at Samsung's Unpacked event 2015 in NYC.
The Keyboard Cover reminds a smartphone case with special hardware plastic buttons.
Racall that Samsung Galaxy Note 5 and Galaxy S6 edge+ have Super AMOLED display with 5,7 inches diagonal and 2560*1440 px resolution. Powered by eight core processor Exynos 7420 (4 quads for 2.1 GHz and 4 quads for 1.5 GHz) alongside with 4 GB RAM and 32 GB or 64 GB of internal flash-memory. There're also 16 MP rear- and 5 MP front cameras. The handsets are expected to go on sale in August 2015 in 4 color options - white, dark-blue, golden and silver.