Poly Voyager 5200 Earset, + USB-A to Micro USB Cable, Noise Canceling - Black - TAA Compliant

Poly Voyager 5200 Earset, + USB-A to Micro USB Cable, Noise Canceling - Black - TAA Compliant Wireless Type: Bluetooth Cord Length: 116 cm (inline module to headset) 94 cm (USB to inline module) 217 cm (total USB to headset) Part Number: 7S431AA#ABA Operating Time: Up to 7 hours (talk time) Up to 9 days (standby time) Distance: Up to 30 m Headphone Frequency Response: 100Hz-20KHz Headphone Input Impedance: 32 ohm Headphone Sensitivity: 90dB S.P.L. at 1KHz