Goes with smart assistants android + apple. With universal mic + track control. Guaranteed fit with removable cush fins. Custom Fit: Adjust your comfort with our Adjustable Tip Placement for a relaxed or sound sealing fit. Further customize with gel tips and Cush Fin Technology, the revolutionary system that guarantees a perfect fit. Natural Comfort: An ultra lightweight design, with improved ergonomic shape, offers next-level comfort. Ultimate Sound; Hi-fi titanium drivers deliver a clean, crisp sound. Plus mic and track control. Package Contents: 3 tip sizes. 2 cush fins sizes. Official audio partner Major League Soccer. Limited lifetime warranty. Satisfaction guarantee 30 day. Provided directly by JLab Audio. CE listed. BC listed. jlabaudio.com. (hashtag)FindYourGo. Official audio partner Major League Soccer. Recyclable packaging. Designed in California. Assembled in China.