Outdoor TechTired. Of Wired. We are too so we came up with The DJ Slims. Our wireless headphones feature oversized super comfortable ear pads solid bass clean sound built-in Mic for talking on the phone/skype NO ... moreWires and a price that even your favorite barista can make in their tip jar. The DJ Slims are rugged wireless headphones with a built-in microphone for hands-free call functionality.