Amazon.com: Plantronics CS540 Spare Headset, No Charger Included : Cell Phones & Accessories
PLANTRONICS CS540 / HL10 BUNDLE DECT DIGITAL WIRELESS HEADSET SYSTEM
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
Plantronics CS540 Convertible Wireless DECT Headset System
Plantronics Headband 84605-01 for CS540 and Savi740
Plantronics CS540 Wireless Headset with HL10 Lifter