iFrogz CAL-AMMO Caliber Ammo Earbuds with Mic - GunMetal/Cyan Deluxe carrying case with PC audio/mic adapter In-line mic/remote with 3 eartip sizes - Cord Length: 3.5 m Driver Unit: 8 mm neodymium - Impedance: 18 ohms Sensitivity: 95 dB +/- 3 dB at 1 kHz - Frequency Response: 20 Hz to 20 kHz Authentic iFrogz products and warrantees on iFrogz products