Griffin WoodTones Earbuds with Control Mic: * Real wood enclosures with unique woodgrain and color * Wood housings enhance voice and bass frequencies without coloring the sound * Lightweight for comfort * 3 sizes of soft ear cushions * Inline mic with control button for phone calls, other mic functions * Use the control mic just like the Home button of your Apple iPhone to interact with Siri * Drawstring bag made of natural hemp fiber * 8 mm moving coil neodymium magnet drivers for powerful sound * In-line control mic works with Siri and many other voice control systems * Impedance: 16 Ohms +/- 15 percent * Sensitivity: 103 dB +/- 3 dB * Frequency response: 20 to 20,000 Hz * 4" TPE-jacketed cable with gold-plated 3.5 mm plug * Finish: walnut