We are upgrading the model from 3108 to 5108S with the following major changes:
1) Comes with RGB Backlit Now! The RGB Backlit and Macro of Akko 5108S can be programmed with Akko Wired Manager;
2) Comes with built-in plate foam to reduce noise pings;
3) Comes with Akko CS Sakura switches;
4) 5 series is more compact than the conventional 3108;
5) Upgraded to OSA profile PBT keycaps with the spherical surface for aesthetics.
Disclaimer: the old 3108 variant will not be restocked.