The Memorex ML310 Portable Speaker and Case zips around most MP3 players and smartphones so you can keep your player safe while listening to your favorite music. Its universal line-in jack lets you connect any music device with a 3.5mm headphone jack-from iPod, Zune and other MP3 players to Android, Windows and other smartphones. It features stereo speakers for high quality audio and external volume controls. It requires four AAA batteries.
|Jack size||3.5mm / 0.13"|
|External volume control||Yes|