Wantek Phone Headset With Microphone Noise Cancelling, Rj9 Office Telephone Headsets Compatible With Yealink T20P T21P T26P T23G

Note: This Headset Is Only A 4-Pin Rj9 Crystal Headset, Not Usb & 2.5Mm & 3.5Mm Headset(2.5Mm Plug, 3.5Mm Plug Or Usb Plug Are Not Included In The Package). It Only Work For Landline Phones, Not For Smartphones And Computers Directly. If Necessary, Please Purchase Wantek 2.5Mm Headsets, 3.5Mm Headsets Or Usb Headsets. Compatible Phone List (Include But Not Limited): Avaya: 1608, 1616, 9608G,9611G,9620, 9621G, 9630, 9640, 9640G, 9641G And 9650 Ip Phones J139, J169, J179, 16Cc Compatible With Yealink: Sip-T19P, T20P, T21P, T22P, T26P, T27P, T28P, T41P, T23G, T29G, T32G, T38G, T40G, T42G, T46G, T48G, T41S, T42S, T48S Grandstream: Gxp1400, Gxp1405, Gxp1450, Gxp1610, Gxp1615, Gxp1620, Gxp1625, Gxp1628, Gxp1630, Gxp1200, Gxp2000, Gxp2100, Gxp2010, Gxp2110, Gxp2020, Gxp2120, Gxp2124, Gxp2130, Gxp2135, Gxp2140, Gxp2160, Gxp2170, Gxp280, Gxp285, Gxv3005, Gxv3006, Gxv3240, Gxv3275 Ip Phones Panasonic: Kx-T Series Phones Such As: Kx-T2260, Kx-T2310, Kx-T2315, Kx-T2365, Kx-T2368, Kx-T7220, Kx-T7230, Kx-T7330, Kx-T7420C, Kx-T7433, Kx-T7665, Kx-T7740, Kx-Hdv130, Kt-Hdv230, Kt-Hdv330, Kt-Hdv430 Snom: 300, 320, 360, 370, 710, 720, 760, 820, 821, 870, D715, D725, D375, D785 Huawei: Et325, Et523, Et525, Et685, 6805, 6810, 6830, 6850, 6870, 7810,7820, 7830, 7850, 7870, 7910, 7950 Wildix: Wp410, Wp480, Wp480G, Wp490, Wp490G Zultys: Zip 33G, 36G, 37G, 33I, 35I Cortelco Fanvil: C58, C58P, C62, C66 Alcatel Temporis: Ip200, Ip800 Altigen: Ip805 Obihai: Obi1062 Aastra: 6737I