Office Headset Dual Ear ENC Active Noise Reduction Volume Adjustable Mute Control USB Plug

Feature: 1. PLUG AND PLAY: Business headset has USB plug, support speaker volume adjustment, microphone mute and other functions, Plug and play, no driver required, easy to use. 2. NOISE REDUCTION: Calling headset is with ENC active noise reduction, built in HD microphone can be twisted at will for less noise and clearer sound. Even in noisy environments can provide clear conversations, so your voice is clear. 3. COMFORTABLE: Telephone headset is ultra lightweight, ensures that you stay focused on your conversation and maintain lasting wearing comfort. Soft ear cushions and flexible headband won"t put any burden on your ears. 4. FLEXIBLE: USB office headset is designed with rugged construction and materials, and long headphone cable provides flexibility of movement, to ensure superb performance and make it durable. 5. WIDE COMPATIBILITY: Office headset is compatible with devices with USB plug, ideal for home office, call center, telemarketing, insurance, customer service, teleconferencing, etc., with a wide range of uses. Specification: Item Type: Office Headset Material: ABS Model: H660D USB ENC Color: Black Type: Dual Ear Plug: USB Plug Functions: Call, Speaker Volume Adjustment, Mute, Microphone Mute Scope of Application: Compatible with USB Plug Devices Speaker Parameters: Sensitivity: 105+-3dB (at 178mV 1KHz) Voice Coil Impedance: 150+-15 Ohm (at 1KHZ) Frequency Characteristics: 100Hz to 10KHz Distortion: less than 5percent (at 178 mV 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 to 6KHz Current Consumption: 100-500υA. Package List: 1 x Office Headset