A:AnswerThe CD player does not have an amplifier, so you would need to connect it to amplified or powered speakers.
Alternatively, you can connect the CD player to a receiver or a powered home entertainment center.
A:AnswerYou must download the music from your computer to a USB drive and then you can playback by inserting the USB drive into the cd player and pressing the cd/USB button.
A:AnswerThe unit plugs into an ac outlet. It comes with a remote that requires batteries that are included. I believe they are 2 AAA batteries. You can use the remote to play tracks or the buttons on the unit itself. Enjoy!