2 PCS 3.5mm Heavy Bass Metal Earbud Wired Earphone1. Plug: 3.5mm2. Frequency response range: 20-20000Hz3. Impedance: 32 ohms4. Sensitivity: 98dB5. Earplugs/earmuffs material: plastic/aluminum alloy6. Headphone cable material: TPE7. Horn diameter: about 14.2mm8. Wire length: about 1.2m9. Weight: about 15gFeatures:1. The earmuffs are soft, comfortable and delicate, fit the curve of the auricle, are stable and not easy to fall off, and have no pain when worn for a long time.2. Full and undistorted front and rear sound chambers, heavy bass3. Scientific in-ear, combined with human hearing system to optimize in-ear depth4. Precise structure, reduce sound loss, make the sound details more full and delicate5. Microphone intelligent wire control integration, easy to operate6. It is made of braided wire and TPE, which is flexible and not easy to entangle, and is durable7. 3.5mm plug, wide compatibility