... Name:MYSModel Number:MS--91Type: PassiveUse: Home Theatre, Portable Audio Player, Mobil...Channels: 2 (2.0)Special Feature: Wireless, Portable, ... hours of playback time7-Can be used in computer, mp3, mp4, player, mobile phone, SD card. U disk8-With FM radio, LCD ... Portable Speaker features and characteristics 1: SD / U disk music player, believed to have computer friends usually have U disk, a ...