Shoulder Speaker MIC for Motorola DP3400 DP3601 DP4400 DP4600 DP4800 DP4801

DP3400, DP3401, DP3600, DP3601, DP4400, DP4401, DP4401EX (Ma/M1), DP4600, DP4601, DP4800, DP4801, DP4801EX (Ma/M1), DP4400e, DP4401e, DP4600e, DP4601e, DP4800e, DP4801e. It is made slightly smaller than palm-size.

eBay