Features: 1.Car HD MP3 Player: Stable Bluetooth connection and wireless transmission without data problems, good compatibility, hands free call, voice navigation, mobile phone music. 2.Enjoy Your Life and Music: Sufficient power will completely immerse you in the ocean of music. No matter where you are in the car, you can be in the center of the concert, and the sound source comes from all directions. 3.Convenient Use: Time display, driving to see the time is more convenient and safe. Memory frequency after power off and restart, start playing from the song to avoid playing again every time. 4.FM HD Radio: FM radio function, you can listen to real time traffic, news broadcasts, financial channels, etc. 5.4 Channel Audio Output: Four channel output, complete restoration of sound quality, independent high pitched sound effect adjustment bright and pleasant, all round sound effect makes music excellent, reflecting rock and classical. Make the melody deep, delicate and clear. specification:Item Type: Car Radio Model: SX 5513 Voltage: 12V Type: On Board MP3 Software Solution: 4900 Panel Light: Blue Radio Band: FM Radio Chip: QN8035 Power: 55W Working Temperature: -10 ~ 60 Bluetooth Model: Version 4.0 Power Amplifier Chip: TDA7377 Radio Frequency: FM 87.5~108MHz Memory Card Slot: Large memory card slot. USB Interface and Version: USB 2.0 interface. Key: Physical Key RCA Terminal: 4 way RCA output with red and white jack. Front AUX Audio Input: Yes Supported Audio Formats: MP3, WMA, WAV, FLAC. Basic Functions: 1. FM Radio. 2. Read the audio on card and USB flash disk. 3. AUX function. 4. Bluetooth function. 5. RCA audio output can be connected to subwoofer. Battery Type: 2 x AAA battery for remote control, not included. PackageList:1 x Car Radio 2 x Power Cord 1 x Remote Control 2 x Metal Remover Piece 1 x User Manual