Replacing SAVI Wireless Headset/Mic:
CS540 mic (cat #2091) works on W740
CS530 mic (cat #2193) works on W730
CS520 mic (cat #2192) works on W720 DISCONTINUED!
CS510 mic (cat #2191) works on W710 DISCONTINUED!
To sync the CS mics to the Savi bases, CHECK OUT THIS ARTICLE!
Since the Bluetooth is in the BASE* not the headset, all of these will have computer, office phone, and Bluetooth function when synced to a SAVI base