It is a spare cradle that is compatible with the WO2 and WO2A bases. The headset cradle is a unit type that allows for wireless connectivity through DECT RF technology.
Plantronics Savi 8240 / 8245 Deluxe Cradle for savi 8200 Office series Base Unit
Plantronics Savi W745-M DECT Headset 3-in-1 USB PC Phone Mic Base (NO PSU)
Poly Plantronics Savi 7200 Office Wireless Headset + Base, UC DECT PS Desk Phone
Plantronics Savi W740 DECT Wireless Headset Base, Single Ear, Boom Mic
Plantronics WO2A Base Optimized for Microsoft Lync for Savi W700/A (EU) series
Plantronics Savi Office WO101 MOC replacement Wireless Charger Cradle Base - WO1
