Skullcandy S5GRJT-543 Grind On-Ear Headphones with Built-in Mic, Black/Tan TAPTECH - A button on the outside of the ear cup lets you take calls, play or pause and switch tracks easily. SUPREME SOUND- The Grind headphone produces attacking, powerful bass; warm, natural vocals and precision highs. CLASSIC DESIGN - Get back to the basics with the sleek, low profile look of Grind. FULL CONTACT COMFORT- Plush foam ear pads create a perfect seal and provide hours of listening comfort. Connectivity Technology: Wireless-Bluetooth