Logitech USB Headset - MONO H820e

Overview The Logitech Wireless Headset Mono H820e is a wireless single-ear headset that delivers enterprise-quality audio with the human-centric design and features Logitech is known for. Interruptions are minimized thanks to a clever in-call LED light and muting is intuitive thanks to the on-boom mute button and LED mute indictor light.  Specifications   Audio Input Frequency Response: 100-7000 Hz Microphone Mounting Type: Boom Sensitivity: -45 dB Total Harmonic Distortion (THD): 10%  Dimensions & Weight Depth: 2 in Height: 6.5 in Weight: 3.1 oz Width: 6.9 in  Audio Output Active Noise Canceling: Yes Available Microphone: Yes Connectivity Technology: Wireless Controls: Answer/end, Mute, Volume Frequency Response: 150 - 7000 Hz Headphones Cup Type: Open Headphones Ear-Parts Type: On-ear Headphones Form Factor: On-ear Headphones Type: Monaural Product Type: Headphone Sensitivity: 103 dB Sound Output Mode: Mono Wireless Technology: DECT  Audio System Additional Features: Built-in DS