1. System: allwinner melis2. Software: F1333. Radio transmitter frequency: preset frequencies: 88.60, 89.50, 91.50, 93.00, 93.90, 95.10; Selectable frequencies: 87.5-108.0 MHz4. Bluetooth chipset: AB5301B5. Amplifier chipset: CS8571E6. Output power: 1W7. Cigarette lighter input voltage: 12V-24V8. Operating voltage: 5V9. Operating temperature: -10°C to 60°C10. Bluetooth version: 5.0 (Default Name: SWL-BT)11. CPU: F13312. RAM: 64MB DDR13. Display resolution: 1280x72014. Screen material: IPS15. Screen size: 4.7 inches16. Languages: English, Chinese, Traditional Chinese, French, German, Arabic, Italian, Japanese, Portuguese, Russian, Spanish, Hebrew, Polish, Turkish, Czech, Korean, Greek, Dutch17. Factory password: 11326618. Bracket dimensions: 55 x 55 mm19. Cover dimensions: 130 x 76 mm20. Main unit depth: 13 mm21. Unit weight: 0.3 kgFunctional specifications1. Mobile phone connectivity: supported2. For Apple CarPlay: wired, wireless3. For Android Auto: wired, wireless4. For iPhone screen mirroring: wired, wireless5. For Android screen mirroring: wired, wireless6. Reversing camera: supported7. Video playback warning: supported8. Dash cam: supported (supports USB external DVRs)9. Type-C port: supported (power port)10. USB port: supported11. TF card: supported12. Four-way audio switching: AUX/BT/FM/SPK13. Reverse video input: supported (2.5mm)14. AUX output: supported (3.5mm)Basic functions1. Radio frequency transmission to output audio to the original car2. Bluetooth audio output (supports CarPlay and Android Auto audio output only)2. USB flash drive (audio/video/image)3. TF card (audio/video/image)4. Bluetooth function5. Reverse view function (camera not included)6. Dashcam (dashcam not included)Accessories:1. Main unit2. Manual3. Cigarette lighter + TAPY-C power cable4. Reverse video cable5. AUX audio adapter cable6. Desktop standSpecification: Package Weight One Package Weight 0.30kgs / 0.67lb One Package Size 17cm * 9cm * 13cm / 6.69inch * 3.54inch * 5.12inch Qty per Carton 40 Carton Weight 13.20kgs / 29.10lb Carton Size 44cm * 35cm * 51cm / 17.32inch * 13.78inch * 20.08inch Loading Container 20GP: 339 cartons * 40 pcs = 13560 pcs40HQ: 788 cartons * 40 pcs = 31520 pcs