Wired headphones by Awei with excellent sound quality and the ability to answer your calls or change your music with the press of a button. They are lightweight for comfortable, long-term use and have an ergonomic design that fits perfectly in the ear for excellent sound isolation. Features: Resistance: 16 Ohm ± 15% Microphone Jack: USB Type C Earphone Diameter: 8mm Frequency Response: 20-20000Hz Sensitivity: 90db ± 3db Track system: Stereo Weight: 21g Material: CNC metal + TPE + silica gel Cable length: 1.2m