1、Dual USB function. You can use one of them to charge, and another to play music. 2、Support Bluetooth function. You can remotely control this music player. Let you get rid of wire troubles. 3、Power-off memory function in any state. You can easily find which song you heard last time. 4、Built-in radio FM tuner, automatic search and save function. It is very convenient for you to use player. 5、Maximum output power 4x50W. Working voltage is DC12V. It is compatible with your devices. No need to worry about whether you can use it. Features: 1.Dual USB function. You can use one of them to charge, and another to play music. 2.Support Bluetooth function. You can remotely control this music player. Let you get rid of wire troubles. 3. Power-off memory function in any state. You can easily find which song you heard last time. 4. Built-in radio FM tuner, automatic search and save function. It is very convenient for you to use player. 5. Maximum output power 4x50W. Working voltage is DC12V. It is compatible with your devices. No need to worry about whether you can use it. 6. EQ sound control, stereo, left channel, right channel selection. Excellent sound effect. 7. Support memory card, U disk playback. You can play songs stored in your memory card. 8. Support to play MP3 format programs. You can enjoy the music in your car. Give you a wonderful music experience.   Specification: Power Supply Voltage: DC 11V Speaker Impedance: 4 ohms Volume Control: +/-8 dB (bass 100HZ treble 10KHZ) Tuning Range: 87.5-108MHz IF Frequency: 10.7MHz Applicable Sensitivity: 15dB Signal to Noise Ratio: 50dB Stereo Resolution: 30d Package List: 1 x MP3 Player 1 x Power Cable 1 x Remote Control (with battery delivery) 1 x User Manual