Telephone Headset USB SingeEar Telephone Headset with Microphone and O Control

Feature: 1. This business‑grade broadband headset is equipped with acoustic protection technology and digital signal processing technology to achieve clear calls. 2. The broadband o solution allows you to maintain a clear call even in a noisy environment. In addition, anti‑acoustic technology can effectively protect your hearing. 3. This is an adjustable USB headset with a 330‑degree rotating arm microphone and a 90‑degree rotating head clip, which is convenient for various wearing methods. 4. The headset is equipped with soft protein artificial leather ear cushions for comfort and hygiene, and with an adjustable headband, it will not feel uncomfortable for long-term wear. 5. All parts of the earphone are made of high‑quality materials, so it is light and durable, and the reinforcement line is designed for Kevlar, which can withstand harsh environments. Specification: Item Type: Telephone Headset Material: ABS Rotatable Swing Arm 330 degrees Rotatable Head Clip 90 degrees Speaker Parameters: Sensitivity: 105+-3dB (At 178mV 1kHz) Impedance: 150+-15 Ohm (1kHz) Frequency Characteristics: 100Hz-10kHz Distortion: less than 5percent (At 178 mV 1kHz) Microphone Parameters: Directivity: Single Point Sensitivity: –40+-2dB (2.0V, 2.2K Ohm , 1kHz) Distortion: less than 5percent (At 4.5V 2.2K Ohm 1kHz) Frequency Characteristics: 200Hz-6kHz Current Consumption: 100-500υA Application: Suitable for USB-Connected devices, for Windows 20007810 XP Vista, for OS X Book and most of the leading UC platforms and soft phones. Very suitable for Skype chat, business, call center, conference call, listening and speaking, dragon talk, online courses, web seminars, etc.. Package List: 1 x Telephone Headset1 x Manual