If your lifestyle requires ultra-compact portability, the BP100 ear bud style headphones are an excellent choice. Featuring polymer-coated earpieces, they're far more comfortable than other earbuds, and will stay in your ears well. With a wide 20 Hz - 20 kHz frequency response and TRANSAIR drivers boasting 106 dB sensitivity, the BP100 delivers total clarity and ample volume. Features a 1/8-inch mini-plug, suitable for connecting to portable audio gear. The BP100 headphones come with carrying case.