The Plug Wireless Bluetooth¨ In-Ear Headphones by Koss, 6+ Hour Battery (Rechargeable), In-Line Microphone & Remote (Play/Pause, Start/Stop, Volume, Answer/End, etc.), Accurate high fidelity sound with memory foam cushions for superior comfort & noise isolation, Bluetooth¨ version 4.2 headphones, Sweat Resistant, Cable Management Clip, Includes extra cushions.