PC Headset to RJ9/RJ10/RJ22 Phone Switch Adapter with 8 Circuit Lines Switch Compatible For Yealink,Grandstream,AVAYA 1600 9600 Series phones and Most Other Ordinary Telephones or Digital Telephones

Convert two 3.5mm plugs to single 4P4C RJ9/RJ10 headset plug.
Use your headset with almost any office phone (Yealink,Avaya, Cisco, Polycom and etc) – 8 settings cover most phone models.
Works great with most VOIP phones with a RJ9/Rj10/Rj22 headset jack
Convert two 3.5mm plugs to single 4P4C RJ9/RJ10 headset plug
Use your headset with almost any office phone (Avaya, Cisco, Polycom and etc) – 8 settings cover most phone models
Works great with most VOIP phones with a RJ9/Rj10/Rj22 headset jack