Product Parameters:Material: ABSHeadphone Type: In-Ear HeadphonesPlug Diameter: 3.5mmSounding Principle: Moving CoilFrequency Response Range: 20-20000 (Hz)Impedance: 28 (Ω)Sensitivity: 105 (DB)Distortion Rate: Less Than 2 (%)Wire Length: 1.1 (M)Speaker Diameter: 10 (ΦMm)Earplugs/Earmuffs Material: Environmentally Friendly SiliconeHeadphone Cable Material: Braided Cloth RopeNote: This Headset Does Not Have A Microphone, You Can Listen To Music, But Cannot Answer CallsFeatures:1. In-Ear Sound Insulation Design, Effectively Blocking Environmental Noise, Quietly Enjoying Music, And Listening To Every Detail Of Music Clearly.2. The Ear Shell Is Designed According To The Principle Of Ergonomics, Which Is Light And Delicate, Stylish And Cool.3. It Is Comfortable And Stable To Wear, And The Earphones Will Not Fall Off During Strenuous Exercise. It Is Especially Suitable For Enjoying The Beauty Of Music While Exercising.4. Extra-Thick Braided Wiring, High Fidelity, High Durability, Anti-Pull, Anti-Winding, Very Little Audio Signal Loss, Low Temperature Environment In Winter Will Not Be HardPacking List:Headphone*1