PLANTRONICS CS540 A WIRELESS HEADSET & USB Charger | eBay
How To Connect Your Plantronics CS540 To A Computer
Plantronics C054 Base Unit & Power Adapter (FOR CS540 SET) - FREE SHIPPING! | eBay
Polycom Compatible Plantronics VoIP Wireless Headset Bundle with Electronic Remote Answerer (EHS) included | SoundPoint® Phones: IP 335, IP 430, IP 450, IP 550, IP 560, IP 650, IP 670, VVX300, VVX500, VVX310, VVX600, VVX400, VVX1500, VVX410
How To Connect Your Plantronics CS540 To A Computer