Listen-Only Earpiece, Product Type Listen-Only Earpieces, Compatible Radio Brand Motorola, Compatible Radio Series BPR40, CP185, CP200d, Compatible Radio Manufacturer Model Number BPR40D, CP185, CP200D, Compatible Radio Grainger Model Number 45CA54, 45CA55, 45CA56, 45CA58, 45CA59, 45CA62, 45CA67, 45CA71, 45CA72, 45CA73, Earpiece Style Earbud, Number of Ears One, Number of Wires 1, Push To Talk No, Microphone Location Not Applicable, Radio Connector Type 3.5 mm Standard