Features DECT spectrum wireless connectivity Provides exceptional wireless range that won't interfere with Wi-Fi® devices in your office. In-call LED indicator light Located on the backside of the boom, this provides visual alert to those behind you that you are on a call, preventing accidental disturbances during calls. On-boom mute button and mute indicator LED light Intuitively located on the boom, the mute button is easy to identify. An LED light that can be seen while wearing the headset provides a visual mute status by glowing red while muted. Intuitive on-ear call controls Control the call with on-ear answer/end1, volume up/down buttons. The raised button design provides a point of reference for your fingers so you can feel the buttons you're pressing. Up to 100-meter (more than 300ft) wireless range Enjoy the freedom to move widely around the office during conference calls while staying productive. Optimized for Microsoft® Lync™; Cisco® compatible2; Compatible with most leading UC platforms Ensures enterprise-quality audio and an integrated experience with most all business-grade UC platforms Auto pair by docking H820e headsets automatically pair when placed in any H820e charger dock, making it easy to use the headsets with any workstation in large deployment or hot

situations. Flexible microphone boom Rotate the boom up or down and bend it left or right to move it closer to your mouth, enabling optimal placement for voice pickup. Padded leatherette headband and earpads Built with high quality materials so the headset remains comfortable, even during long hours of use. Acoustic echo cancelation and noise-cancelling microphone Optimized so you can hear and be heard even in noisy workspaces. Digital Signal Processing (DSP) Enables precise tuning for both the mic and speaker so conversations are more life-like. Contemporary, ultra-lightweight design Sleek design and durable materials provide a more attractive look than traditional headsets. Plug-and-play USB connectivity Easily connects to PCs or Macs with no additional software required Technical Specifications Microphone: (Tx) Type: Bi-directional ECM Frequency response: 100 Hz - 7 KHZ Sensitivity: -45 dB +/- 3 dB Distortion: Operating voltage: 1.4 - 5.0V DC Speakers: (Rx) Frequency response: 150 Hz - 7kHz (ITU-T TIA920 ) Sensitivity: 103dB ±3 dB at 1KHz, Input 1mW/ Type 4153 artificial ear Max output: Distortion: < 4% @ 1kHz, 0dBm0, 1kHz Product Dimensions Width, Height, Depth (mm & inches in decimals): Headset: 174 x 165 x 50 mm 6.75 x 6.5 x 2 in Base:

x 128 x 82 mm 2.8 x 5 x 3.25 in Weight (grams & ounces): Headset: 128 g / 4.5 oz Base: 475 g / 16.8 oz Warranty - 2 year limited hardware warranty