This is a lavalier microphone (also known as a lapel or clip-on microphone) with a 3.5mm audio jack.
Key Features
• Microphone head: Small clip-on capsule designed to attach to clothing or a collar for hands-free recording.
• Connector: 3.5mm male audio plug compatible with standard microphone/audio ports on phones, laptops, and recording devices.
• Cable: Flexible black coiled/wired lead connecting the mic capsule to the plug.
If you'd like, let me know:
• What device you plan to plug it into (smartphone, PC, camera, or recorder)
• What you are trying to record (voiceovers, interviews, live streams)