The ear tips fit all models of Audéo Perfect Fit Earphones. Simply snap them on the earphone and insert into the ear for maximum comfort. Find your perfect fit by trying out all the sizes. The soft silicone tips can be re-used many times. After use, simply wash them with water and mild soap. This makes them ideal if you want to use your Audéo PFE in-ear earphones to listen to music while exercising. The ear tips are available in sets of 3 pairs (small, medium, or large), grey or black colors, and include a cleaning tool.