Features:1. Bluetooth (answer/call the phone, music player)2. ISO standard power interface3. Short chassis4. The radio5. Read the card, read the U disk (audio playback)6. AUX function7. Bluetooth8. RCA audio output9. Audio copy functionSpecifications:Model: JSD-520C-BVoltage: DC 12VScreen size: LCD VAOS: NODecoding chip: Jieli 4900Button light: Blue lightTime system: 24-hour systemRadio band: FM1/FM2/FM3Radio chip: QN8035Bluetooth connection password: A small number of mobile phones are Required, password: 0000Bluetooth version: 4.0Amplifier chip: TDA7377Radio frequency: 87.5~108MHzMemory card slot: Secure Digital Memory cardRemote controller: 21-key card remote controllerUSB interface and quantity: A USB interface to read U disk songsReset button and the use of RES hole: Use small and sharp stick plug in the Small hole to press the button to resetRCA jack introduction: Two-way RCA output, red and white jack.Front aux audio input: SupportVolume knob: SupportSupported audio formats: MP3/WMA/WAV/FLACPacking weight: About 395gProduct size: About 178*50*70mm/7.01*1.97*2.76inNote: Pictures may be displayed differently due to different shooting angles and lights. Manual measurement will have errors, ranging from 1-2cm. Please understand.