Frequency response: 20Hz-20kHz. Speaker impedance: 32Ohms. Cable length: 1.2m. Sensitivity: 115db. 3.5mm stereo.
50mm-55mm Headphone Earphone Earbud Ear Pad earpad Foam Cover * Brand New & high quality * Balanced density, flexibility * Elastic, comfortable and durable * enhance sound quality,Noise isolation * Fit most earbud-style earphones with 50-55 in diameter. Diameter:25mm 30mm 35mm 40mm 45mm 50mm 60mm Material: foam