Stay connected in style with the HP Poly Voyager 4320-M on-ear headset. This versatile headset offers both wired and wireless options for ultimate flexibility. Move freely with an impressive Bluetooth range of 164ft. (50m) and experience immersive stereo sound with a wide 20Hz to 20kHz frequency range. Plus, Acoustic Fence technology helps reduce background noise during your calls. | HP Poly Voyager 4320-M On-Ear Bluetooth Headset - Black