Compatible Motorola PR400 FBI Earpiece with Push to Talk (PTT) Microphone - Acoustic Earphone For Motorola PR400 Radio - Headset for Security and Surveillance - Walmart.com
HK375-S In-ear wireless mono headset - Motorola
MOTOROLA Talkabout 2-Way Radio Throat Mic Headset with PTT/VOX PMLN7705AR - The Home Depot