Klipsch XR8i In-Ear Headphones Connectivity Technology: Wired KG-2365 AcuPass(R) Two-Way Hybrid Driver KG-065 Dynamic Woofer KG-723 Balanced Armature Tweeter Die-Cast Zinc and Co-Molded Elastomer Housing Patented Oval Ear Tips (4 Different Pairs). Three-Button Remote + Mic