In-ear headphones are the ideal accessory for the on-the-go music lover. Durability, portability and the Sound of Koss are all seamlessly packed together into this lightweight earbud. Stay connected with in-line on touch microphone. Small, medium and large ear cushions provide a secure and comfortable fit. 13mm enhanced driver for superior Sound QualityIn‐line 1-touch microphone, Includes 3 cushion sizes.