Poly Voyager 4310-M USB-A Mono Headset - Including Stand (New) Adapter Efficiency (at 75% maximum load):

Efficiency (at 75% maximum load): 76%

Cannot be twisted out of position

Block up to 100 specific numbers or use the dedicated call block button to silence your calls

Home Office Phone (Renewed)

hands-free conference phone

Poly Voyager 4310-M USB-A Mono Headset - Including Stand (New) Adapter Efficiency (at 75% maximum load):This item is brand new. Comes with a one year warranty from GreenBox Shop. Product Description The Poly Voyager 4310 USB MS Mono Bluetooth Headset offers wireless connectivity to your PC Softphone and smartphone. The Poly Voyager OFFICE charging base station enables quick and easy charging and will complete any home office or in the office look. Free yourself from your desk with a wireless range of 50 meters. Be heard clearly at home or in the office