Audio Technica ATH-CKP200iS SonicSport In-Ear Active-Use Headphones w/ Universal In-Line Mic/Controls (Black) ACTIVE USE: Perfect for using while working out, these headphones come with a lab tested and certified IPX5 water resistant rating. SMARTPHONE OPTIMIZED: The universal -in-line microphone and remote allow you to answer/end calls and control your music playback/volume without interrupting your workout TOP-TIER SOUND: The high quality drivers deliver the crystal clear, detailed and dynamic sound Audio Technica is known for BUILT FOR COMFORT: The hinged ear hook design allows the wearer to adjust the hook around the ears for a custom, comfortable fit. Also included are 4 sizes of both standard silicone and newly designed ridged ear tips (XS/S/M/L)