MainboardChina Android A31s Mainboard Quad 1.0GHz CPU 1GB RAM 8GB ROM Android 4.2.2 12V DC VGA/HDMI/Lvds LAN USB Host/OTG RS232/RS485 WiFi/3G, Find details and Price about China Android, A31 from Android A31s Mainboard Quad 1.0GHz CPU 1GB RAM 8GB ROM Android 4.2.2 12V DC VGA/HDMI/Lvds LAN USB Host/OTG RS232/RS485 WiFi/3G