High-quality leather earmuffs are soft, comfortable, breathable and comfortable to wear Equipped with 40mm audio driver, provides clear sound and high-fidelity stereo, ideal for online courses, Skype chat, business work, conference calls, etc 3.5mm interface, suitable for most laptops and computers The high-fidelity large dynamic microphone ensures the smooth communication of team combat cooperation The high-end fashion braided thread is durable and stretch-resistant Wire control design, it is convenient for the player to control the headphone and handier in the game Specification: Loudhailer diameter: 40mm Frequency range: 20Hz-20KHz Sensitivity: 112±3dB at 1KHz Microphone size: 6x2.7mm Mic Sensitivity: -38dB±3 dB Directivity: omnidirectional Impedance: 2.2Ω Cable length: approx.1.9m Material: PVC 3.0 matte, nickel-plated pins Input plug: 3.5mm Package included 1 x Headphone 1 x English and Chinese User Manual Other things not included Specifications Brand Anivia Color Black Packaging Type Colored Box Plug Type (For Supply) N/A User Manual (Language) English and Chinese Gross Weight 0.310kg Volume Weight 0.613kg Package Length 19.000cm Package Width 18.000cm Package Height 8.000cm