HS2100 rugged wired headset with over-the-head headband includes HS2100 boom module (HS2100-BOOM-01) and HSX100 over-the-head headband module (HSX100-OTH-HB-01).
HS2100 rugged wired headset with behind-the-neck headband left includes HS2100 boom module (HS2100-BOOM-01) and HSX100 behind-the-neck headband left module...
HS2100 rugged wired headset with over-the-head headband includes HS2100 shortened boom module (HS2100-SBOOM-01) and HSX100 over-the-head headband module...
