Poly Voyager 6200 UC Bluetooth Neckband Headset with Earbuds - Black - Skype For Business & UC Optimised - 20Hz – 20kHz (high-fi stereo and stereo telephony) - 30 Meters Roaming Range - Up to 16 hours listen, 9 hours talk and 14 days standby time - Mute, play, pause, track forward/back Media Controls - Boomless, four microphones with digital signal processing (DSP) - 208748-101 - 2 Years Limited Warranty