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CAUTIONS:
This 2.5mm male to 3.5mm female headset adapter is only compatible with most headsets with a standard 3.5mm plug and some specific phones with a 2.5mm headset jack. Please check the compatibility of your devices before purchasing.
Compatible Phones for 2.5mm Male Plug:(including but not limited):
Panasonic:KX-NT136, KX-NT343, KX-NT346, KX-NT366 ,KX-T7603, KX-T7625, KX-T7630, KX-T7633, KX-T7636, KX-T7730, KX-T7735, KX-TGA470, KX-TGA652, KX-TGF675S, KX-TGF383M and more
AT&T: SB1040, SB1070, SB1080, SL82318, TL7610, TL88102, TL86109, TL86009, CL82550, CL82500, CL8230, CL82309, CL82350, CL80109, ML17928, ML17959, ML17939, ML17929, ML993, 974, 944, 945 and more
Uniden: TRU9565, TRU9585, DECT4096, DECT1060, DECT4086, DECT4066, DECT3080, DECT2085, DECT2080, DECT2060, DECT1080
Grandstream: GXP-2000, GXP-2010, GXP-2020, GXP-2100, GXP-2110, GXP-2120, GXP-280, GXP-285, BT200, BT201
Cisco SPA: 303, 501G, 502G, 504G, 508G, 509G, 512G, 514G, 525G
Cisco Linksys: CIT200, CIT300, CIT310, CIT400, SPA921, SPA922, SPA941, SPA942, SPA962
Polycom: IP320, IP321, IP330, IP331, SoundPoint Pro SE-220, SE-225
Vtech: IS8151-4, IS8151-5, DS6151, CM18245, CM18445, CM18045
RCA: ViSYS 25425RE1, 25424RE1, 25423RE1,25413RE3, 25414RE3
Gigaset: C59H, C610 IP, C620H
Zultys: ZIP 4x4, ZIP 4x5 IP Phones