World-class speakers and HD voice for crystal-clear calls and music. You can switch on active noise cancellation to virtually eliminate low-frequency sounds, like the hum of air conditioning. Active noise cancellation uses advanced microphones to monitor and counter ambient noise. Superior ANC and integrated busy light acts as a ‘do not disturb’ sign to enhance productivity.

Audio
Microphone type: Medium-length boom arm with noise cancelling uni-directional ECM microphone
Microphone frequency range: 100Hz to 10kHz
Speaker size: 40mm
Speaker bandwidth - Music mode: 20Hz - 20kHz
Speaker bandwidth - Speak mode: 150Hz - 6.8kHz
Active Noise Cancellation: Yes – Hybrid 4 mic ensuring 17dB (perceived cancellation in an office environment)
Passive Noise Cancellation:  Yes
Listen-in feature: Don’t miss important announcements or questions from your colleagues. Press the left ear cup to hear the outside world without having to take off your headset.
Certifications: Certified for Skype for Business, Cisco, Avaya and more
Ease of use
Intuitive audio control: Speaker volume up/down on headset
Voice/Mute: Yes
Busylight: Integrated red lights on both ear cups are activated automatically when on a call or manually activated by the user when busy, to act as a ‘do not disturb’ signal
Battery
Talk time (up to/hours): 18
Music time (up to/hours): 17
Standby time (up to/days): 15
Charging time: Approximately 2 hours
Connectivity
Connection (mini jack, USB, etc.): Bluetooth® or USB. Allows dual connectivity for two Bluetooth® devices simultaneously
Bluetooth® version: Bluetooth® 4.2, Class 1
Operating range (up to): 30m/100ft
Supported Bluetooth® profiles: A2DP (v1.2), Hands Free Profile (v1.6), Headset Profile (v1.2), AGHFP (v1.6)
Security: Pairing, Authentication and Encryption (Bluetooth® standard)
Paired devices (up to): trusted devices, 2 active stand-by Bluetooth® connections