This stereo has no CD player. It also will play your digital MP3 files when you connect your MP3 player or Flash drive to the rear USB port. The unit also supports Bluetooth for wireless music streaming from your iPhone / Android or similar Bluetooth device. Line out is also provided for connectivity to a external amplifier. Tuner Section FM Stereo Frequency Area US, Europe. Bluetooth:long distance music Streaming. RMS Power Output:4 x 45W. Power supply:DC 12V. Waterproof level:IP66 Certification. Meets ASTM B117 salt/fog standard. Dimensions Mounting Hole:88.12mm. Dimensions Mounting Depth:70mm. Input Types:Bluetooth, USB, AUX. Outputs:1 pair RCA Pre-Amp Out, One Way Input. Car, motorcycles, yacht, fishing boats, cuddy cabins, ski boats, the unit is also perfect for spa pools, quad bikes, golf carts, UTV, ATV and RV. 1PCS xMarine Digital Media Receiver. 1PCS xWired Remote with 19.6 foot wire. 1PCS xUSB Extension Cable. All items will be tested in advance before sending out. Gushi, our company is dedicating to reseach & development of marine audio series products. If you are dissatisfied for any reason, please donot be quick to leave negative/neutral feedback. Our working time:Monday to Friday.