Dynamic Driver - each driver has a triple layer diaphragm with aerospace grade metal to deliver sizzling highs, present midst, and powerful bass with enhanced response time. Expertly Tuned - by Grammy Award Winning Sound Engineer, Luca Bignardi, to deliver a precise representation of your favorite music. Comfortable Ergonomic Design - the oblique angled ear fittings naturally match your ear canals. 4 sets of included ear tip sizes ensure a proper fit for all. Intelligent Control Technology - in-line controls are compatible with Apple iOS and Android, allowing you to conveniently control volume, select songs, and take calls For any product related query, service and warranty contact - +91 8007 791 791 or write us on careindia@1more.com