1.Mini Karaoke Player 2.Two-channel stereo headphones, stunning KTV live-sound, 3.clearly identify ... stereo headphones, a stunning KTV live-sound, can clearly identify K song rhythm and pitchEcho ReverbPowerful echo sound, can then adjust ... Open the player can switch the music channel K song, Mini Karaoke Players, with Two channel Stereo Headphones and Stunning KTV Live ...