Poly Voyager Focus 2 Office USB-A Stereo Bluetooth headset is a triple connectivity wireless headset for desk phone, PC and Bluetooth cell phone. It connects to your desktop telephone, PC using the USB-A cable and any mobile device using Bluetooth. Class 1 Bluetooth with wireless range up to 160 feet. Poly Voyager Focus 2 Office is for voice calls for deskphone or using a PC. Active noise canceling speakers. Advanced mute controls, multiple microphones for optimal voice. Charging stand when headset is not in use.
For more information see Poly Voyager Focus 2 Office or see the Poly Voyager Focus 2 Office user manual
Active Noise Canceling Explained:
Poly Acoustic Fence Technology explained: