The utmost earphone upgrade - sport pro tips let you experience a stay-in-ear grip designed to hold on and not let go until your workout is done - no matter how much sweat you work up along the way Integrated sweat guard protects earphone by keeping sweat and debris out and maintains clear path for enhanced sound Compatibility - designed exclusively for the Beats By Dre BeatsX, Powerbeats 3, Powerbeats 2, Powerbeats, Tour 2.0, Tour2 and Tour earphones Enhanced sound and fit - body-heat activated memory foam adapts to your ear canal and provides a ideal seal; limits outside noise for a good audio experience and enhanced bass Comfort - soft memory foam reduces earphone irritation and fatigue; comply foam is 30x softer than silicone tip materials so you have the most comfortable listening experience during workouts