(1) Poly Spare rear-Headband Neckband for Plantronics CS540, C565, WH500, W740, W440, V4245 Savi 8240 8245 Office & UC Headsets 84606-01 Plantronics CS540, W440, W740 Behind the Head Neckband Headset is not included P/N 84606-01 HP 85R32AA Plantronics CS540, W440, W740 Behind the Head Neckband P/N 84606-01 Behind the Neck Neckband for the Plantronics CS540, Plantronics Savi W440, Plantronics W440-M , W740 , W745 and S8240 & S8245 wireless headset system.
