For Motorola GP88/88S/GP68 walkie talkie headset M head with VOX function

GP300,GP308, GP350, GP2000, GP3688, GP3188 GP2000,GP2100,GP68,GP88,GP88S. MU Series: MU11, MU11C, MU11CV, MU12, MU12C, MU12CV, MU21C, MU21CV, MU22CVS, MU24CV, MU24CVS, MU24CVST. MU: XU1100, XU2100, XU2600 MU-11C, MU21CV, MU-22CVS, MU-24CVS.

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