Multi-wan Load Balan.vpn Route Features - Integrated Wax-Guard - The acoustically transparent filter safeguards earphones from earwax and debris Soft Comfort - Your body heat activates this unique breathable memory foam to create an ultra-soft experience, reducing irritation and fatigue Stay-In-Ear Fit - Active lifestyles won't miss a beat with this secure in-ear fit. Comply Foam dramatically increases in-ear retention by expanding to fill the ear canal Noise Isolation - Nothing should come between you and your music. By sealing the ear canal against environmental distractions, you can enjoy music without raising the volume