Sennheiser CX 686G Sports Ear-Canal Headset for Android Devices Cable has in-line smart remote and mic compatible with most smartphones and portable players (compatible with Galaxy and most other Android devices).Connectivity Technology: Wired Slide-to-Fit system is fully adjustable for an individualized fit and sealed in-ear-canal design blocks outside noise Anti-bacterial ear adapters (SteriTouch) Oval-shaped, para-aramid reinforced cables help eliminate tangled wires and reduce cable noise Two year warranty when purchased from an authorized Sennheiser dealer