The 500K and M2-100 Headset is shipped with different plugs to accommodate different audio device connections. You will need to verify your phone brand when placing an order. Please ensure that the model number of your audio device is listed below. We do our best to keep the compatibility charts up-to-date, but if you do not see your audio device listed below, please contact us before purchasing.


Motorola 2.5 mm single (click to expand)

T280, T289, T5200, T5522, T5600, T6200

Motorola dual (click to expand)

GP300, GP308, P0801, GP68, P110, GP88, P1225, GP88S

Motorola single (click to expand)

MTH600, MTH650, MTH800, MTH850, MTP850, P2000

Motorola multi (click to expand)

DGP4150, DP4401, XPR 6300, DGP5050, DP4600, XPR 6350, DGP5550, DP4601, XPR 6380, DGP6150, DP4800, XPR 6500, MTP830 S, DGP8050, DP4801, XPR 6550, DGP8550, XPR 6580, MTP850 S, DP3400, XPR 7350, APX2000, DP3401, XIR P8620, XPR 7380, APX6000, DP3600, XiR P8628, XPR 7550, APX7000, DP3601, XPR 4500, XPR 7580, APX7000SE, DP4400, XPR 6100

Motorola 3.5 mm single (click to expand)

Visar Series, All Models


Samsung 3.5 mm single (click to expand)

All models of the Galaxy, Galaxy S, Nexus S, Note

Samsung single (click to expand)

Galaxy S2, Galaxy S3, Galaxy S4


iPhone 3.5 mm single (click to expand)

All generations of iPhone including 7 and 7 Plus


BlackBerry 3.5 mm single (click to expand)

Curve 8300, Pearl Flip 8230, Curve 8310, Storm 9500, Curve 8320, Storm 9530, Curve 8330, Curve 8520, Curve 8900, Pearl 8110, Pearl 8120, Pearl 8130, Pearl Flip, Bold 9000, Pearl Flip 8220, Tour 9630


Kenwood dual (click to expand)

TK-480, TK250, TK260, TK270, TK360, TK370, Protalk TK2100, Protalk TK2102, TK-2140, TK-3140, TK-380