Call Center 3.5mm Wired Headphones With Microphone Noise Cancelling Headset Business USB Earphone Helmet For PC Computer Laptop Features: 1. Simple design - good quality, good craftsmanship, and very exquisite earphones. 2. Noise reduction - Skin friendly sponge earplugs, with a soft, comfortable and breathable fit, can reduce noise. 3. Comfortable to wear - Ultra light earphones will not cause fatigue or pain after prolonged wear, making them comfortable to wear. 4. Humanized design - adjustable retractable headband, capable of rotating the microphone 270 , achieving precise positioning, smooth speech output, and clearer communication. 5. Compatibility - This earphone with microphone is suitable for mobile phones, PC, laptops, For PS gaming consoles, desktops, and other devices. Specifications: Product Name: Wired Earphones Plug type: USB/3.5MM (optional) Horn diameter: 40mm Frequency response: 20Hz Horn impedance: 16 Sensitivity: 103dB Microphone: supported Cable length: 1.5 meters Earmuff material: ABS Cable material: PVC Product size: 17 * 14 * 4cm Product color: black Package includes: 1 * Earphones Note: 1. Due to manual measurement, please allow an error of 0-3cm. Please ensure that you do not mind before bidding. 2. Due to the differences between different displays, the images may not reflect the actual color of the item. Thank you.