This is a Zenex ZN-EP5338, trio earphone pack for iPod. Zenex's Trio Pack features earbuds, sport neckband stereo headphones, and over-the-ear earbuds (wraps) all with 3.5mm jacks and 1.2 meter cords. The headphones have soft padded ear pillows so you can listen in comfort for hours on end. The headphone?s 30mm, earbuds 10mm, and the ear wrap?s 15mm drivers reproduce convincingly realistic sound, whether you're listening to your favorite MP3s or DVD movie soundtracks. They can be used with iPods, iPhones, MP3/MP4 players, cell phones, laptops, netbooks, desktop computers, portable DVD players, or any other audio device with a 3.5mm audio output. This trio pack also includes a 2-way splitter adaptor which allows you and an additional person to listen to the same audio at the same time.