... battery 5.Pocketsize portabilit 1. Computer Speaker,MP3 &MP4speake, USB speaker2.Digital USB 2.0 Speaker Systerm2.The special innovative design of ... transport6. Hamburger shape,with the bass chamber opened, the speaker looks like a hamburger, a great temptation to your eyes ... in special style, it is larruping. Product Specifications:AUDIO mini speaker suitable for IPOD,MP3 ,MP4 player, PC & MOBILE PHONE ...