H360DUSB Double Sided Headset Black Volume Adjustment USB Business Headset with USB Plug for

Feature: 1. NOISE REDUCTION: Built in HD microphone, can be arbitrarily twisted, so that your voice is loud and clear. Provide clear dialogue even in noisy environments. The noise is smaller and the sound is clearer. 2. COMFORTABLE THROUGHOUT THE DAY: The headset provides you with an ultra light wearing experience. The ultra lightweight design ensures that you focus on your conversation and lasting wearing comfort. 3. USB PLUG: The soft ear cushions and flexible headband will not cause any burden on your ears. Plug and play, no need to drive, easy to use. Support speaker volume adjustmentmicrophone mute. 4. ULTRA DURABLE: The earphones are designed with sturdy structure and materials to ensure superior performance and make them durable. The long headphone cord provides flexibility of movement. 5. EXTENSIVE COMPATIBILITY: Suitable for devices with USB interface. Ideal for home, offices, call centers, telemarketing, insurance, customer service, conference calls, etc. Specification: Item Type: Telephone Headset Model: H360D-USB Material: ABS Colour: Black Type: Binaural Plug: USB Plug Scope of Application: For Devices with USB Interface 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 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. Package List: 1 x Telephone Headset