Poly CS510-XD Spare Headset 85T23AA Carbon Black P/N 216065-01 Your choice of narrow or

Your choice of narrow or wideband professional grade audio quality -- choose narrowband to extend talk time or wideband mode to enable clearer conversations

Get incredible call quality on any Poly headset via intelligent headset recognition that adjusts audio performance to the specific headset

and a portable charging case with integrated docking stand

Previously Plantronics Spare Battery (CS540) 86180-01

Poly CS510-XD Spare Headset 85T23AA Carbon Black P/N 216065-01 Your choice of narrow orUpgrade your communication game with the Poly WH300 XD Over the Head 900 MHz headset. Designed for use with the CS510 XD 900 MHz headset system, this spare headset top offers superior sound quality and long range connectivity. Increase your productivity and efficiency with this must have accessory. Spare Replacement headset only. Poly WH300 XD, Over the Head, 900 MHZ For CS510 XD 900 MHz Spare Headset Top 85T23AA Headset WH300 XD, Over the Head, 900