: It offers a roaming range of up to 350 feet (120 meters) and features a noise-canceling microphone to filter out office background noise.
: Provides up to 7 hours of continuous talk time per charge. buy cs540
, retailers like Amazon , Office Depot , and Headsets Direct typically list it between . Poly CS540 Wireless Headset : It offers a roaming range of up
The Poly CS540 (formerly Plantronics) Go to product viewer dialog for this item. retailers like Amazon
: Primarily designed for desk phones via an RJ9 port. It can connect to a PC with the optional APU-75 adapter . Purchase Considerations When buying the