Description:dual screen display;Dual usb ports, mobile phone charging support;Iso, plug and play power cables for European models, no additional wiring required;In terms of sound quality, we made major adjustments to hardware and software. It is a good choice for people with high sound quality requirements.Feature:1. radio (fm/am, rds)2. TF card reader, u disk (audio)3. aux function4. bt-compatible function5. rca audio output can be connected to the subwoofer6. mobile app connection7. locator and find car function (optional)8. mobile phone voice assistant (voice control) (note: just turn on the mobile phone voice control switch via bt.If the user's mobile phone is in English, it is supported)9. Audio source copy function10. coloured lightsSpecification:Model No.: SWM-80B, SWM-80A (with locator function) (optional)Voltage: 12vSoftware solution: swt6d801Screen type: led digital tube + frequency screenPanel size: 188*58mm/7.40*2.28""Illumination: colouredPacking Size: 208*84*125mm/8.19*3.31*4.92"" (color box)Depth: 60mm/2.36""Product weight: 398gPhone connectivity: via phone appRadio band: fm/amRadio chip: zt0811Power: 60wWorking temperature: -10 ~ 60 cModel compatible with bt: 5.0Power amplifier chip: tda7388Radio frequency: fm 87.5 ~ 108mhz, am 522 ~ 1620khzMemory card slot: support tf cardsRemote control: remote control cardSteering wheel remote control: yes, no (optional)Locator and find car function: yes, no (optional)USB port: 2 USB ports (one for charging and one for usb2.0 reading)Reset button: yesButtons: physical buttonsrca terminal: 4 rca outputsFront audio input aux: yesSupported audio format: mp3/wma/wav/flac