- Plantronics binaural over-the-head headset- Binaural (covers both ears)- Quick disconnect (PL-M22 or PL-P10 adapter required)- Flexible foam earpieces- Swivel voicetube- Adjustable headband- Clothing clip- Includes extra voicetube (PL-17593-01)- Black ADDITIONAL/REPLACEMENT PARTS:PL-10778-00: Cord clip kitPL-15729-05: Ear cushionkitPL-17593-01: Voice tube assy, clearPL-17593-70: Voice tube assy, rainbow 6-packPL-17876-02: Headband stiffener kitPL-18015-01: Headband assyPL-21846-03: Extension cordPL-45673-01: 10" Flat cablePL-40704-01: Value pack (Supra,H51, H61)PL-61871-01: Ear cushionPLH61~~