Driver Unit: 8mm diameter driver Frequency Response: 20Hz–20KHz Input Impedance: 16 ohms Cord Length: 4.3 ft. Features: Dynamic micro speaker with neodymium magnet for sound reinforcement Right-angled, gold-plated connector designed to fit with a variety of device cases and create a high-quality connection for sound Silicone tips with isolated designs that come in small, medium and large, and provide comfort and perfect ear placement for the best sound Fabric cord helps reduce tangles and is specially engineered to cut down on static so you get that clear sound Microphone and 1-button controller included