Product solution: default palm speed solution 8227L 1+16G wifi version Operating System: Android Android 10 Built-in: GPS/BT/USB/MP5 Screen resolution: 1024*600 Mobile phone interconnection: support GPS Navigation: Support Radio Band: Default only with FM Radio chip: 8227 Languages: Chinese, Japanese, South African, German, Estonian, English, Spanish, French, Italian Indonesia, Malaysia, Qatar, Denmark, Philippines, Litao Garden, CroatiaHungary, Netherlands, Norway, Poland, Vietnam, Bulgaria, Korea, Slovenia and more Reversing video: Yes Brake reminder function: yes Steering wheel control function: yes Bluetooth Support: Version 4.0, Support Bluetooth Music, Bluetooth Phone Power amplifier chip: TDA7388 Radio Frequency: FM87.5M-108M USB interface: Version 2.0 with 2-way tail line output Reset button: yes Button: touch button RCA terminals: 1-way reverse input, 2-way video input, 2-way audio input, 4-way audio output, 2-way video input Supported audio formats: MP3, FLAC, APE, WMA, WAV, AAC, AMR, etc.Supported video formats: AVI, ASF, MP4, MOV, MPG, MPEG 1/2/4, VOB, MKV, FLV, TS, WMV, RMVB, 3GP, 1080P, etc. Supported image formats: JPEG, GIF, PNG, BMP Operating voltage: DC 9 - 17V Power output: 4 x 45W Bluetooth Version: Version 4.0 Bluetooth distance: 10 meters CPU: 1+16G, 2+32 are 4 cores, 4+64G are 8 cores GPU Mali:- 400MP Working temperature: -20-60 Storage temperature: -30 degrees Celsius - 70 degrees Celsius Machine list: dedicated host, audio and video output cable, USB cable, GPS antenna, dedicated socket cable, mounting bracket