... can control playing the music Electronic plush dog video player (with remote control version) 1,1.5V * 4 AA batteries 6V2, ... support MP3.WAV formats such as music files.4, with remote control, control the following functions (1)Volume adjustmentelectronic volume adjustment ... (4) fast forward / rewind operationHold down the button on the remote control fast-forward playback, hold down the button on the ...