2.5mm Office Headset Dual Ear Telephone Headphone with Noise Cancelling Microphone for Phone Sales

Feature: 1. [2.5mm Plug]‑2.5mm business headset, plug and play, no driver required, easy to use. Suitable for devices with 2.5mm headphone plug 2. [Clear Voice]‑Boom style microphone freely twistable for best level. Noise cancelling technology makes your voice clear even in noisy environments. 3. [Comfortable To Wear]‑Dual ear telephone headphone has a soft ear cushion for comfortable positioning accuracy. 4. [More Durable]‑Traffic headset adopts quality structure and materials making this call center headset sturdier and more durable. 5. [Compatible Scenes]‑Headset for phone sales, telephone counseling services, hospitals, banks, telecom operators, enterprises, etc. Specification: Item Type: 2.5mm Office Headset Material: ABS Model: H390D-2.5 Colour: Black Type: Binaural Plug: 2.5mm Plug Function: Call Scope of Application: For devices with 2.5mm headphone plug Speaker Parameters: Sensitivity: 105+-3dB (at 178mV 1KHz) Voice Coil Impedance: 150+-15 Ohm (at 1KHZ) Frequency: 100Hz-10KHz Distortion: less than 5percent (at 178mV 1KHZ) Microphone Parameters: Directivity: Unidirectional Sensitivity: -40+-2dB (2.0V, 2.2K Ohm , 1KHz) Distortion: less than 5percent (at 4.5V 2.2K Ohm 1KHZ) Frequency: 200Hz-6KHz Current Consumption: 100-500υA. Package List: 1 x 2.5mm Office Headset