There are exactly 5 function key combinations:
1. Fn+F9 ”” Win key lock (with F9 being also the LED indicator)
2. Fn+F10 ”” swap Caps Lock/Left Ctrl keys (F10 LED indicator)
3. Fn+F11 ”” swap Win/Alt keys (F11 LED indicator)
4. Fn+F12 ”” 6KRO/NKRO toggle (F12 LED indicator)
5. Fn+Esc ”” toggle off/on the F9-F12 LED indicators (no LED indicator on the Esc itself).
Fn+Esc functionality in particular by itself shows the great attention to detail by iKBC, no other keyboard has this much needed functionality.
1. Caps Lock and Scroll Lock have separate LED indicators on the case itself.
2. The USB cable plug looks to be gold plated, the cable is unbraided and permanently attached to the case with channels to be routed straight, left or right.
3. The keyboard has double tilt legs allowing three levels of high adjustment, and there are rubber pads glued on each leg.
4. The C87 version comes with black case Doubleshot
5. PBT thick keycaps
6. Cherry stabilizers.
Model name : C87 Black / White
Size : 80%
LED color : No
Cherry MX : Yes
KB case color : Black
Keycap material : PBT
Keycap color : Black
Print on keycap : Laser Engraved
Keycap print position : Top
Layout : ANSI & ISO
USB Cable : Non-discrete
NKRO : Full
Multimedia keys : Yes
Primary interface : USB
Windows compatible : Yes
Reset key : Fn+R
Keyboard dimensions : L 358 X W 136 X H 41.6 mm