Works for Phones: AltiGen IP805 Cisco 7902, 7905, 7905G, 7906G, 7910, 7910+SW 7911, 7912 IP Phones Cortelco Fanvil C58, C58P C62, C66 Grandstream GXP14XX, GXP1400 GXP1405 GXP1450 GXP2124, GXP2120, GXP2140 GXP2140 GXP2160 GXP2110, GXP2100, GXP2020, GXP2010, GXP1200, GXP280, GXP285, GXV3005, GXV3006, GXV3240 GXV3275 IP Phones HuaweiET325,ET525 KX-T Series phones such as: KX-T2260, KX-T2310, KX-T2315, KX-T2365, KX-T2368, KX-T7220, KX-T7230, KX-T7330, KX-T7433, KX-T7625, KX-T7630, KX-T7633, KX-T7636, KX-T7665, KX-T7720, KX-T7730, KX-T7740 and KX-T7750 Snom 300, 320,360,370,710, 720,760, 820, 821, 870 Yealink SIP-T19P T20P, T21P, T22P, T26P, T28P, T32G, T41P, T38G, T42G, T46G, T48G See more

NOT FOR Jabra GN headsets as the photo shows. Works with Plantronics and VoiceJoy QD connector.Such as Plantronics headsets: Starset H31 H31N Mirage H41 H41N Supra H51 H51N H61 H61N TriStar H81 H81N Encore H91 H91N H101 H101N FreeHand H131N DuoSet H141 H141N DuoPro H151 H151N H161 H161N H171 H171N H181 H181N and SupraPlus H251 H251N H261 H261N etc. Works for CISCO 7902 7905 ...7912 or Grandsteam GXP 14xx ...GXV 3275 or YEALINK T19P...T48G SNOM 300...821 Panasonic KXT and MORE DESK PHONES LISTED IN DESCRIPTION. Part No: 38099-01 See Compatible Phone List in Description, DO NOT BUY IF YOU CAN NOT FIND YOUR PHONE MODEL IN LIST, Just get FREE HEADSET EXPERT HELP or ADVICE by CONTACTING US.