Rosewill E-210-WH White Passive Noise Isolating Earbuds with Mic & Control Button for Smartphones, 3.5mm Connector - Retail Type: Earbud Driver Unit: 10mm Frequency Response: 10Hz-22KHz Input Impedance: 20 ohms Sensitivity: 105 dB +/- 3 dB at 1kHz Cord Length: 4 feet Asymmetrical