Temple Transducer, Product Type Temple Transducers, Compatible Radio Brand Motorola, Compatible Radio Series BPR40, CP185d, CP200d, Compatible Radio Grainger Model Number 4PJD4, Headset Style Behind-the-Head, Earpiece Style Not Applicable, Number of Ears Two Ear, Number of Wires 1, Push To Talk Yes, Microphone Location In-Earpiece, Earpiece Color Black, Volume Control No, Includes Headset, Noise Canceling Yes