The Poly Voyager 4320 UC is a wireless binaural headset that features noise-cancelling dual-mic with Acoustic Fence technology — eliminates background noise. The Dynamic EQ optimised for PC wideband voice telephony up to 7 kHz or for multimedia 20 Hz to 20 kHz. The Poly Voyager 4320 UC has integrated call control on the earphone with a mute button on the microphone boom for your total convenience. The dynamic mute alert also notifies you when you talk with the microphone muted and the on-call indicator alerts the people around you when you are working and need to focus. You can choose your device — PC/Mac and mobile phone connection options with UC versions.

• Noise-canceling dual-mic with Acoustic Fence technology
• Acoustic hearing protection with SoundGuard DIGITAL
• Designed for portability: use at home and in the office
• Comfortable, adjustable padded headband
• Stereo wearing style