18 digital click for interfaces and games. digital click 1 (0:01) digital click 2 (0:01) digital click 3 (0:01) digital click 4 (0:01) digital click 5 (0:01) digital click 6 (0:02) digital click 7 (0:01) digital click 8 (0:01) digital click 9 (0:01) digital click 10 (0:02) digital click 11 (0:01) digital click 12 (0:02) digital click 13 (0:02) digital click 14 (0:02) digital click 15 (0:01) digital click 16 (0:02) digital click 17 (0:01) digital click 18 (0:01)