Plantronics 80090-05 AC Adapter Maximum_Output_Current - 500 mA Compatibility - Plantronics Voyager 500A Base station Plantronics Wireless Headset Systems: CS55 CS70 CS55H CS70N Voyager 855 Voyager 815 Voyager 510S Voyager 510-USB SupraPlus Frequency - 60 Hz Manufacturer - Plantronics, Inc Product_Model - 80090-05