To connect your SCUF prestige to Mac OS, use the following steps.
STEP 1:
Navigate to your Bluetooth device settings menu and ensure Bluetooth is turned on.
STEP 2:
Press and hold the Wireless enrollment button (indicated with 3 curved lines) on your controller for a few seconds until the Xbox button begins blinking.
The Prestige will be identified as "Xbox Wireless Controller" in your system's Bluetooth Devices list.
STEP 3:
Select "Connect" in your system's Bluetooth Devices list to connect your Prestige controller. Your controller will sync within a few moments and the Xbox button will become solid.
STEP 4:
Your controller will be listed as a paired device within the Bluetooth Device list on your system's menu bar if "Show Bluetooth in menu bar" is selected.