It supports wired and wireless carplay +Android Auto, realizes mobile phone navigation, music, voice assistant and other functions with one button, allowing you to easily enjoy the fun of driving High-definition reversing image (camera is optional), when the car is hooked into reversing, it will automatically switch to reversing image, even novice drivers can safely reversing the car Compatible with Android/for iPhone mobile phone, mirror projection screen, for Apple mobile phone can project screen as long as it is connected with a cable, but does not support double-sided screen touch; Android mobile phone will prompt to install APP projection software, and can be touched on both sides of the screen when projecting Basic function: Radio frequency transmission function (set the receiving frequency point of the original car radio to be consistent with the preset frequency point of the machine, and the audio signal of the machine can be amplified and output to the speaker through the original car system) Read U disk (audio/video/picture) Bluetooth functions Wired mobile screen projection, wired and wireless Android AUTO/for Apple CarPlay Reversing image function (not included camera) Driving recorder function (not included recorder) audio out Colorful touch button lights Specification: Model: B5311 System: Allwinner melis system Software solution: F133 Radio transmission frequency: 88.60/89.20/89.50/89.80/91.50/91.80/93/.00/93.60/93.90/94.50/95.10/95.70MHz Radio transmitter IC: AB5301B Power amplifier IC: CS8571E Output power: Built-in 1W speaker Working voltage: 12~30V Working temperature: -10~60℃ Bluetooth version: version 5.0 (default name: SWL-BT) WiFi frequency: 2.4G/5G dual frequency (automatically switch according to the frequency band of the hotspot connected to the mobile phone, used when connecting Android AUTO and Apple CARPLAY ) CPU: F133 Running memory: 1Gbit DRAM Display resolution: 1024x600 Screen size: 7 inches HD Installation size: 65x65MM Shell size: 182x104MM Host depth: 22MM Mobile Internet: Support Reversing image: support (not including camera) Play Video Warning: Support Driving recorder function (not included recorder) Built-in speaker: support USB interface: USB 2.0 read TYPE-C interface: USB 2.0 reading (for CARPLAY only) Left touch button: support AUX port audio output: support Reversing video input: support Audio format: MP3/AAC/APE/OGG/M4A/RA/WAV Video format: H263/H264/H265/DIVX HD/AVI/FLV/MKV/MPEG/MP4/WMV9/VC/ASF/TS/QT Picture format: JPEG/PNG/BMP/GIF/TIFF Languages: English, Chinese, Spanish, Portuguese, Russian, German, French, Polish, Turkish, Arabic, Hebrew, Italian, Czech, Japanese, Korean Factory set password: 113266 Package included: 1 x Car MP5 Player 1 x Cigarette Lighter Power Cord 1 x Suction Cup Bracket 1 x Reversing Video Cable 1 x AUX Audio Conversion Cable 1 x English User Manual