Monaural Business Headset ENC Noise Reduction Mic Mute USB Single Sided Ear Headphone for PCs with

Feature: 1. ENC Noise Reduction: This USB telephone headset has a built in HD microphone that can be twisted at will to provide clear conversations and reduce noise. 2. Soft and Comfortable: The single sided ear headphone features an ultra lightweight design with soft ear cushions and a flexible headband that won"t weigh down your ears. 3. Multifunctional: The USB communication headset uses USB plug; plug and play, no driver required, easy to use. Supports speaker volume adjustment, mute, and microphone mute. 4. Sturdy and Durable: The office headset is designed with rugged construction and materials, and the long headset cable provides flexibility for mobility and durability. 5. Application: Monaural headset is suitable for devices with USB port. Such as home, office, call center, telemarketing, insurance, customer service, teleconferencing, etc. Specification: Item Type: USB Business Headset Material: ABS Color: Black Type: Monaural Plug: USB Plug Function: Call, Speaker Volume Adjustment, Mute, Microphone Mute Scope of Application: For Devices with USB ports Speaker Parameters: Sensitivity: 105+-3dB (at 178mV 1KHz) Voice Coil Impedance: 150+-15 Ohm (at 1KHz) Frequency Characteristics: 100Hz-10KHz Distortion: less than 5percent (at 178mV 1KHz) Microphone Parameters: Directivity: Single Pointing 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. Package List: 1 x USB Business Headset1 x Instruction Book