Monaural headset with included base features a wireless range up to 350' to let you move freely while still talking. Its noise-canceling microphone filters out ambient noise around you to ensure your voice will be heard for clear, more natural conversations. DECT technology allows you to use multiple headsets in the same area without them interfering with each other for distraction-free use. The comfortable headband wearing style, with an extra-large leatherette ear pad, is perfect for those spending a lot of time on the phone. Plus, Eco-DECT means lower power requirements and fewer emissions. Take Advantage of Wireless Freedom Don’t just sit there! You need to move. Get that cup of coffee while still talking. Answer and end calls while you’re away from your desk too, by adding a Remote Handset Lifter or Electronic Hook Switch EHS cable). Plug and Play, and Eco-DECT lower emissions as well. You will really appreciate the crystal clear sound and voice quality. Noise canceling microphone to screen out the noise around you so you will be heard as well as you hear. The comfortable headband wearing style, with extra large leatherette ear pad, is ideal for those spending a lot of time on the phone. DETAILS FRONT VIEW Compatibility: For Universal Deskphone, RJ9 Headset Port; Softphone with Windows and Mac computers via USB. Not for smartphones. Multi Function button to answer/end calls on the headset or you can dock/undock the headset from the Base Station instead. BACK VIEW Softphone use via USB connection from Base to Computer. Up to 350’ feet of Wireless range from Base to headset during Softphone use. HEADSET Volume Control and Microphone Mute can both be adjusted on the headset. COMFORTABLE FIT Adjustable to fit, comfort ear pad for extended use. ZūM Maestro Combo USB/DECT Features Compatibility: For Universal Deskphone, RJ9 Headset Port; Softphone with Windows and Mac computers via USB. Not for smartphones.Dect 6.0 Wireless range up to 350 feet.Multi Function button to answer/end calls on the headset or you can dock/undock the headset from the Base Station instead.Use multiple headsets in the same area without them interfering with each other.Audio indicators: Tones alert you to incoming calls, low battery, volume level, microphone muting and other functions.Sound quality: DSP noise reduction; echo cancellation; tone control; wide band and narrow band audio.Volume Control and Microphone Mute can both be adjusted on the headset.Eco-DECT means lower power requirements and fewer emissions.Softphone use via USB connection from Base to Computer. Up to 350’ feet of Wireless range from Base to headset during Softphone use.