This D shape earpiece is compatible with a wide range of Motorola two way radios including the DP4400, DP4400e, DP4401, DP4401e, DP4600, DP4600e, DP4601, DP4601e, DP4800, DP4800e, DP4801, DP4801e. In-wire Push-to-talk (PTT) microphone with clip.
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