U10P Polaris Direct Connect Cord for PLT QD Compatible Headsets For use with any Plantronics headset that has a quick disconnect on it, H/HW series, VXI P series, Smith Corona P Series, Starkey PL series For use with specific models of phones for direct connection - these WILL NOT work on Cisco 7900 series phones for direct connection Polaris cords for any Plantronics H/HW series, VXI P series, Smith Corona P Series, Starkey PL Series IT HAS A BLUE BAND BY THE CLIP, IF NO BLUE BAND, THEN IT IS NOT OUR PRODUCT. Contact HEADSET SOLUTIONS for any questions regarding compatibility,PLT QD to RJ11 modular clip One ends has PLT QD the other end has a dark smoke colored RJ11 clip on end