1. Material: Office Headphones Are Made Of High-Quality Abs Material. The Soft And High-Quality Ear Pads Can Be Worn All Day Long, With High Comfort And Durability. 2. Conference Headphones, And Portable, Equipped With An Adjustable Headband That Can Adapt To The Head Size Of Most People. 3. Achieve Clear Calls. The Wired Usb Headset Adopts Commercial-Grade Wideband Usb Headsets, Digital Signal Processing And Noise Reduction Microphone Design, Making Calls Clear And Providing Sound Impact Protection To Protect Your Hearing. 4. The Usb Headset Is Plug-And-Play, No Driver Required, Suitable For Computers And Laptops, perfect For Classrooms, Homes Or Offices. 5. The Usb Wired Headset Not Only Provides Easy Access To The Volume And Mute Controls In The Power Cord, Allowing You To Quickly Adjust The Up And Down Volume Of The Headset, As Well As Mute/Unmute The Microphone Or Speaker, But It Also Has A Flexible Microphone Boom. Speaker Magnet:White Porcelain Frequency Range:20-20KHZ Sensitivity:95±3DB Impedance:32ohm Wire Material:Pvc Round Wire/Parallel Wire Plug:USB/3.5mm Length:1.5m/2m Whether To Bring A Microphone:Bring A Microphone Suitable For The Crowd:Adults, Children Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use Colour:As Shown Material:ABS Package Contents: 1 Set * Wired Headset (With Microphone And Cable) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.