baolongking Headset Adapter RJ9 Male to 3.5mm Female Headset Phone MIC Audio Splitter Adapter Cable 2 Pack

• You can use your own headphone to chat on telephone with this cable
• Use PC Headset with most VOIP phones that have a RJ9/RJ10/RJ22 headset jack (Not compatible with RJ11)
• Adapter cable with dual 3.5mm PC Headset jack to RJ9 Desk Phones Jack for Avaya, Cisco
• Due to power and impedance general computer headset is relatively low, compared to the effect of professional telephone headset there is a gap. The pursuit of high-quality effects pro professional products recommended to choose better Since the phone is not unified production standards, this product is not available for all brands phone (compatible with about 90% telephone)
• Note: It can not work with 2 in 1 integrated headset

Convert two 3.5mm plugs to single 4P4C RJ9/RJ10 headset plug, you can use your own headphone to chat on telephone with this cable. Due to power and impedance general computer headset is relatively low, compared to the effect of professional telephone headset there is a gap, the pursuit of high-quality effects pro professional products recommended to choose better Since the phone is not unified production standards, this product is not available for all brands phone (compatible with about 90% telephone) Compatibility List (Partial List): Cisco 6921, 6941, 6945, 6961, 7940, 7940G, 7941, 7941G,7942G, 7945, 7945G, 7960G, 7961, 7961G, 7965G, 7970G, 7971G, 7975G, 7985G, 8941, 8945, 8961, 9951, 9971 IP Phones. Avaya 1600 9600 SNOM Yealink Phones Polycom, Nortel, Aastra, ESI, NEC, RCA, Mitel, Lucent, Shoretel, Siemens, ect Not compatible with CISCO 7911,7912 ,7942 , 7960 IP Phone.Avaya 9620C, Avaya 9608 Connector 1: RJ9/RJ10/RJ22 male Connector 2: 2X3.5mm female Color: Black Length: Approx 20cm