simgot EK3 Detachable Cable Earphones *Tested and then stored. *With box. *Case has some minor scratches. *This is a used item that has been opened. Please understand and be aware of this before purchasing. #Earphones #Earphones #DetachableCable #ChineseEarphones #HighResolutionAudio #Wired Drivers: Knowles C1-22955, Knowles TWFK-30017 Frequency Response: 20Hz-40kHz Sensitivity: 115dB (1000Hz) Impedance: 14Ω -18Ω Total Harmonic Distortion: <0.75% 101dB (20μpa) Left/Right Sensitivity Difference: <1.5dB (1000Hz) Sound Tube Material: Aluminum Oxide Sound Tube Cable: 0.78mm 2-pin OCC & SPC hybrid cable Processing Method & Materials: 3D printed medical-grade resin Included: Earphone unit, 0.78mm 2-pin OCC & SPC hybrid cable, Eartips, pressure-resistant hard leather case, tuning brush