Panasonic RP-HJE240-P1 Noise Isolation In-Ear Earphones (Pink) 11.5mm neodymium drivers, High-end earbuds with 3 sizes of ear pieces for a custom fit, Extended bass for rich sound, 3.5mm gold-plated mini stereo plug, 16 ohms impedance , Pink, Includes 3 pairs of ear pieces (S,M,L)