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: 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

: 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 : Primarily designed for desk phones via an RJ9 port

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. retailers like Amazon