- Reduction of noise picked up by microphone to highlight voice clarity - DSP (Digital Signal Processing) enables the user to enhance the voice clarity and reduce the echo digitally - Premium volume control button to adjust the incoming calls - Compatible with most desk phones and soft phones - Easily switch from handset to headset - Easy access to incoming and outgoing volume and the ability to mute calls - Dual connectivity for both desk phone and soft phone usage - Dual headset jacks to connect two headsets for training - Hearing protection to keep the user from sudden sound spikes - Power adapter offered as optional accessory - Compatible with W740 and W745 - Addasound no longer including clothing clip 8/15/22