The JTECH compatible swivel headset (compatible with Motorola RLN6423A/HKLN4604) is a lightweight earpiece for Two-Way Analog radios sold by JTECH. This headset features a swivel earpiece allowing it to be worn on either ear. It allows you to talk and listen without holding your radio. The microphone offers excellent sound quality. It has an inline Microphone and push-to-talk button for easy communication. The JTECH compatible swivel headset is our most popular headset..