HP INC. 77T31AA#ABA Poly Savi 8210 UC Microsoft Teams Certified DECT 1920-1930 MHz USB-A Headset - Mono - Wireless - Bluetooth/DECT - 590.6 ft - 20 Hz - 20 kHz - On-ear, Over-the-head - Monaural - Ear-cup - Omni-directional, Noise Cancelling Micropho