... Use: Home Theatre, Portable Audio Player, Mobil... Channels: 6 (5.1) Special Feature: Wireless, Portable Display: LED screen Specification ... mobile phone.(4) High-efficience professional digital vedio amplifier.(5) USB, SD card, FM, remote control, LED display 5.1 powered speaker.(6) USB 5 ... DVD, VCD, CD, MP3, TV, mobile phone and other audio input4. surround sound 5.1 powered speaker with USB, SD card ...