This is the speaker mike for the CS580. It does not have a headset jack.
High Quality Hand Mike for the AT-D868UV, MD380 and other Kenwood compatible Radios
High Quality Hand Mike for the CS700, CS701, CS750, and CS751 Radios
Surveillance Mic for CS580/CS581
Surveillance Mike for the CS700, CS701, CS750, and CS751
Surveillance Mike for the AT-D868UV and MD380.