In-ear canal sports headphones with iPod matching colours. Optimised for MP3 iPod iPhone CD players & portable gaming if you love crystal clear sound whilst listening to music then these are the earphones for you. To make sure these earphones are the ultimate in comfort they are supplied complete with a set of ear adapters in small medium & large so you can easily alter the earphones & choose the buds that are the perfect fit for you. Driver Unit: 11.0 mm. Magnet type: Neodymium Frequency Response: 10-23 000 Hz. Nominal Impedance: 16 ohms. Sensitivity: 102d B/1 m. WMax.