... Audio Dock is a ultra-portable, battery operated mini stereo system that plays music from your mobile ... phone, mp3,mp4,pc, iPod... SN121108 CUTE MINI SPEAKERS Audio Dock is a ultra-portable, battery operated ... time: 2-3hrsFeature lists:1, High sound quality mini balloon ball speakers designed for portable media players 2, ... blue LED turned on when full charging CUTE MINI SPEAKERS FOR IPHONE,IPAD,MP4