The Jabra PRO 9450 is an ideal choice for blended telephony environments. Employees can use one headset for both their desk & softphone. The headset’s flexible set-up allows employees to use it as it suits them. They can choose to handle calls directly from the headset, via the computer or the touch buttons on the base, & the interactive set-up feature ensures employees can get started quickly. Speakers Frequency Response: Narrowband Speakers with a narrowband frequency response are capable of producing sound in a range well suited for traditional analog phone lines Digital Signal Processing: Yes Digital Signal Processing (DSP) is a technology that digitally optimizes your voice & music & suppresses echoes Listening Mode: One ear Offers mono sound through one speaker Microphone Microphone Type: Noise cancel Enhances call clarity by eliminating background noise from the office. Microphone Sensitivity: N/A The microphone sensivity level is not available at this moment for this device Boom Arm Type: Midi The midi boom arm has an enhanced wind noise reduction & a noise canceling microphone Mute function: Yes Mute gives you the option to mute/unmute the microphone directly on the device Battery & Power Talk Time: Up to 10 hours Talk Time is the maximum time you can talk before a device runs out of power Standby Time: Up to 38 hour (s) Standby Time is the maximum time a device can remain powered on Charge Time: Up to 120 minutes Charge Time is the maximum time it should take to fully recharge the battery Battery Status Indicator: Indicator A battery status indicator reveals the remaining battery time