Headsets Plus proudly presents another quality headset product! The Plantronics A10 Cable is a special cord that allows for Plantronics headsets/H-Series, to be connected to a dedicated headset port on telephones. The A10 cable has a smoke colored plug. There are many Plantronics cables that look exactly alike and have the same RJ9 jack. Please contact us to make sure the A10 is compatible with your telephone.