SteelSeries Engine 3 Driver/Utility 3.9.13 Mar 30, 2017
... - The Apex M650 is now supported in SteelSeries Engine 3! Bug Fixes - Fixed ... longer work when assigning a macro to the Rival 500’s button 12. Compatible Devices: - SteelSeries Rival 300 Fallout 4 Mouse - SteelSeries Rival 300 CS:GO Hyper Beast Edition - SteelSeries Rival ...