Guaranteed for life. These tangle-free earphones offer the best of both worlds: they deliver superior quality sound while blocking your ear canal from the interference of outside sound. Answer phone calls with the built-in mic and answer button. Built-in mic for calls. Fits 3.5 mm jack. S/M/L ear cushions included. Guaranteed for Life: We stand by everything we make with a lifetime guarantee. Connect with confidence knowing Fusebox will be there for you anytime. efilliate.com. CE listed. RoHS compliant D4 1512. Asst colors. Designed and engineered in California. Manufactured in China.