Amazon.com: COMMIXC 2-Pack Walkie Talkie Earpiece, 2.5mm 1-Pin in-Ear Two-Way Radio Headset with Mic PTT, ONLY Compatible with Motorola Talkabout Radios : Electronics
C2G 6in 4-pin 3.5mm Microphone and Headphone Breakout Adapter Y-Cable - headset adapter - 6 in | Lenovo US
Iphone 3.5 mm to Headset 5 Pin Connect Cable – Rugged Radios
Adapter for Scanner to 5-pin Car Harness, Headset, or Intercom – Rugged Radios