Idance Stereo Earphone Without Mic Green Specifications: - In-ear design allows for passive isolation inluding additional spare gel buds - Neodymium driver for great sound experience - Customized ear cup for ROCK SOLID in your ear - Lightweight Ergonomic fit - In-line Condenser microphone - Driver Unit: 10mm - Driver Type: Neodymium - Impedance: 32 phms - Sensitivity: 98dB +/- 3dB - Frequency Response: 15Hz - 20kHz - Cord Length: Approx 1.2m - Cable Type: PVC, Flat Cable - Plug: 3.5mm gold chrome - Unit Weight: 12g