Screen type: 

Type 1 : 9.19 inch ,1280*640 IPS Screen , 800LS

Type 2 : 9 inch 1280*720 QLED Screen 

Type 3:  9.5 inch 2000*1200 2k Screen 

Android  Solution :

Operating system: Android 10
Processor: 1.8 GHz-8 cores (Unisoc UIS7862)
RAM: 6 GB (LPDDR4) or 8 GB
Built-in memory: 128 GB or 256 GBGPS + GLONASS navigation module and antenna
3 USB ports for flash drives up to 256 GB. Support HDD, but not more than 1 TB (NTFS format)
4G modem with external SIM holder
Wireless CarPlay (support Android Auto/CarPlay

Super Sleep mode up to 3 days (fast turn on 1.5 seconds). Sleep consumption only 0.01 Ma

Main board Solution :710 Slim Model &750 Hi-Fi Model:

710 Slim is made on a simple DSP processor rohm 32107 +  TDA 7850 (plays better than conventional systems and most products in the market), and 750 series is made on a high-end DSP processor.

More details about 750 Series: 

If you have a car with an original amplifier (e.g. JBL, harman cardon, etc.) and you do not want to change it , and you can take 710 series.you will be happy ! 

If you find it is difficult to choose, please contact managers or service center for consultation.