1)Mini vibration USB speaker 2)Good sound quality 3)360 degree musical player 4)Fashionable design 5)OEM Mini Vibration USB Speaker1. Direction to ... line with the earphone juncture of computer,mp3 and so on,besides,connect the usb juncture with the computer's or laptop ... 5-6v 500mAFrequency: 100Hz-18KHzRated Output: 2.5WAudio Source:PC,MP3,MP4,MD,CD,DVD player, Mobile phone,etc3. Kind Reminder1 ...