CD Play & TF Card Play two modes for you to choose. There are various modern features. ASP: anti-shock system to prevent interruption of CD playback in case of vibration; 5 Sound Effect: BBS, JAZZ, , ROCK, ORIGINAL; 4 Repeat Functions: A-B Repeat & Repeat 1 & Repeat All & Play in random order Widely compatible with CD, CD-R, CD-RM, MP3, CD-DA, WMA formats. AUX connected with all audible devices 3.5mm audio input, like connecting the speaker or headsets or car audio, this CD player gives you more choices to enjoy your favorite Music. NOTE: Please check whether your disc is rotating or not. If your disc format isn't compatible, it won't work On the top side, the disc player has an LCD display and buttons for playback functions; On the side, you can easily adjust the volume; HOLD button for avoiding accidentally touching the buttons. Note: Please check the "HOLD" switch is at which side, make sure the "HOLD" switch is in the "OFF" position before power on Convenient Power Supply: At home, you can set the CD player perfectly fine with the USB cable in no time at all; When you are outside, you do not need to worry about power sources due to 2 x 1.5V batteries (NOT INCLUDED); If you want to use it in your car, it needs an AUX cable (INCLUDED) colour:black Material:ABS