Active Noise Reduction Universal Subwoofer Stereo Foldable Headset Wired Headset Description active noise reduction technology. Greatly reduce the noise during travel, work and any in between. Advanced active noise reduction technology can noise in the cabin, traffic or busy offices, allowing you to focus on the music you want to listen to, enjoy movies, and videos. Noise cancellation function Better sound: The proprietary 45mm large aperture provides you with and accurate response. From 75dB to 85dB, this active noise-canceling headset can bring you crisp, powerful sound and quiet sound, helping you to better enjoy music. The goal of providing customers with better sound quality is our constant goal Upgraded soft ear cushions can provide protein ear cushions and rotating earmuffs to make you feel more comfortable: This wired headset is equipped with upgraded soft ear cushions, which not makes the headset more and more comfortable, but also allows customers to enjoy it A, long-lasting headset. Auditory feast. The texture is light and comfortable, suitable for you to wear all day long. A higher quality built-in microphone. This wired headset provides a built-in microphone, so you can talk and communicate with your unimpeded. Reminder: Please take off the headset every 2-3 hours Parameter: Speaker diameter: 40mm Impedance: 32 Sensitivity: 102±3dB/mW Frequency response: 20-20000Hz Pin type: 3.5mm Line length: 150cm Contain: 1x Wired headset