The Refsworld Boom MIC III headset is comfortable in the ear and has superb sound quality.
Suitable for Yapalong 4000 & 5000
In-ear tip can effectively block noise and provide great volume.
It has 3 customization/adjustment features:
- Ear mount: left ear or right ear
- Concha support: short or long
- In-ear tip: small, medium, or large.