Motorola PMMN4094 (EX ATEX DP4401 + EX ATEX DP4801 )
Motorola PMMN4094 - Active Noise Cancelling RSM With Nexus Audio Jack and Windporting. The ANC RSM is equipped with two audio jacks. The 3.5 mm RSM supports a discreet, receive-only earpiece with a clear comfort eartube.