All the advantages of the H91 model plus an exclusive noise-canceling microphone technology which reduces the transmission of noise from the workplace.
Noise-canceling microphone with a clear adjustable voice tube
Single ear cushion model provides clear sound quality and comfort for all-day use.
SES™ (Sound Enhancement System) tone control switch
Click-stop headband and turret with a headband pad option
Supports SoundGuard® Plus and Call Clarity® technologies for superior sound
Quick Disconnect™ option and an adjustable clothing clip Amplifier/Adapter Required: M12 Vista Telephone Headset Amplifier A20 Telephone Headset Amplifier CA10 Cordless Telephone Headset Amplifier
H91N Price: $96.00 
