... Flashdisk),support computer, Mobile phone MP3,MP4 etc Rotatable Folded Keyboard Speaker Operation Manual• Use keyboard to type e-mail information and ... is an advanced sound system integrating keyboard, memory player and speaker.Keyboard can be used by connecting to computer without driver ... , which could realize the function of plug & play.The speaker has two speakers (2”, 2.5W, 4 ohm), output ...