Acoustic Tube with Palm Mic 2-Way Headset (AT Series) Model: at100	Dangle Mic Two-Way Headset  (DM Series) Model: dm100	Ear Bone Mic Two-Way Headset (EBM Series) Model: ebm100
Long Boom Two-Way Headsets (LB Series) Model: lb100	Mini Boom Two-Way Headset  (MB Series) Model: mb100