... great portablility 5.Vacuum Bas Mobile Phone speaker,mini portable speaker,Notebook speaker1..The special innovative design of extendable bass chamber ... then plug to your divice4.The outlook is gyroidal in special style, it is larruping. Product SpecificationsAUDIO mini speaker suitable ... for IPOD,MP3 ,MP4 player, PC & MOBILE PHONE,MD,CD,PDA,PSP and other digital products with audio ...