: 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
is a professional-grade wireless DECT headset system designed for office desk phone environments. It is widely recognized for its lightweight design and reliability in noise-heavy environments. buy cs540
The Poly CS540 (formerly Plantronics) Go to product viewer dialog for this item. : Primarily designed for desk phones via an RJ9 port
: Provides up to 7 hours of continuous talk time per charge. retailers like Amazon
, retailers like Amazon , Office Depot , and Headsets Direct typically list it between . Poly CS540 Wireless Headset