CD Mode & Aux Mode - With built-in speaker, the CD player is ready to play all kinds of CD Discs: CD, CD-R, CD-RW, MP3, WMA. Comes with 3.5mm audio cable, it can play music from mobile, tablet, computer etc. or transmit the music of CD disc to other external speakers by cable. (Not by Bluetooth) Bluetooth Mode & FM Radio Mode - Turn on bluetooth, the CD music player can work as a bluetooth speaker, for example it can play the songs from your mobile phone. Or if you like to relax and listen to the news from radio, just switch it to FM mode. (Covers 87.5KHz-108.0MHz) SD Card Mode & USB Mode - Support up to 32GB SD card and USB flash drive. The bluetooth CD player is modern and elegant as a home decor and its clean design help you to focus on CD disc itself. Packed with wall mounted accessories and table stand, you can put it on the wall or table. (Note: don't have dust cover lid) More Practical Functions - Set the portable CD player to play orderly, randomly, repeatly as you like. Its anti-skip function will help you to play the same track. Also has A-B repeat and you can listen to your favorite part of the CD again and again. Want to listen to music to sleep? Set the sleep timer(30-180 mins) and it will turn off automatically. Easy To Use - Keep it in charge and pull the 2.3m power cord to turn on. (Note: You need to pull first. You CANT turn it on just by remote control) Beside its LCD screen, it is convenient for you to tell the current mode by the color of its light when you hang it on wall.