In-ear Wire-controlled Headset Sports Earplugs, Deep, Rich, Bass | Audio

Product information:Type: HeadphoneHeadphone type: earbud headphonesWearing method: in-earHeadphone output source: generalPlug diameter: 3.5mmPlug type: in-line typeSounding principle: moving coilFrequency response range: 20-2000 (Hz)Impedance: 3.2 (Ω)Sensitivity: 100 (dB)Distortion rate: 0.01 (%)Wire...