Medium Duty Acoustic Tube Headset for Motorola 2 Prong Plug Medium Duty Acoustic Tube Secret Service / FBI style headset with 1 year warranty included. This headset has a directional lapel microphone with push to talk button you can clip almost anywhere. It features an acoustic tube with replaceable silicone insert that fits comfortably in the ear and keeps your conversations private and outside noise out. Medium Duty grades include a stronger wire casing, larger/more sensitive microphone with paddle push to talk button. Excellent for use in police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses, and noisy environments.