10.7 mm neodymium drivers; Frequency response: 8 Hz to 20 kHz for faithful sound reproduction ; Nominal impedance: 46 ohms to efficiently conduct power; Integrated 1-button remote (Play/Stop/Skip music and adjust volume) with built-in microphone for hands-free calling; Bud-type earbuds for secure and comfortable fit; Sweatproof (IPX2) except for 1-button remote; ideal for exercising; 3.28 ft. cord with nickel-plated iPhone(R)-compatible slim plug
