Logitech Wireless Headset Mono H820e - Mono - Wireless - DECT - 328.1 ft - 150 Hz - 7 kHz - Over-the-head - Monaural - Supra-aural - Electret Microphone - Noise Canceling

Untethered and free to roam the office With DECT spectrum wireless connectivity provides an exceptional wireless range of up to 300 feet that wonT interfere with Wi-Fi devices Padded leatherette ear pads and headband enable a comfortable feel for all-day use. Battery type-Lithium ion. Microphone type-Bi-directional ecm. Operating voltage 1.4 to 5.0v dc In-call LED indicator light. Compatible with WindowsVista, Windows 7 or Windows 8 32-bit or 64-bit, Windows 10, Mac OS X 10.7 or higher, Linux, Available USB port, AC power Get a full charge in just 3 hours, or if you are in a hurry the battery charges to 50% (5 hours of talk time) in just 50 minutes. On-boom mute button and mute indicator LED light Intuitive on-ear call controls. Auto Pair by docking Enterprise-quality audio and all-day comfort technology like the acoustic echo cancelation, DSP audio and a noise canceling mic make the H820e ideal for the busiest workspaces Digital enhanced Cordless telecommunications (DECT) spectrum wireless connectivity Headset: 6.5 H x 6.8 L x 2 D inches. Base: 5 H x 2.8 L x 3.3 D inches. Faux Leather is a synthetic material. See specs for details.