Android box for car audio with dual BT configuration1、Mini Size: compact size, light weight and portable, will not occupy too much car interior space. 2、Plug and Play: easy installation, simply connect with one USB cable. 3、High Sound Quality: Retain the initial car system and sound quality, it suit the initial car resolution automatically. 4、Open Android 9.0 System: system built-in common software, and you can install third-party applications by yourself through GooglePlay. 5、Support Network: Support inserting 2G/3G/4G SIM card, and support hotspot sharing from your mobilephone. 6、Full Screen/Split Screen/Picture In Picture/Mirror Link: Support multi-tasking at the same time, it is more convenient for driving and entertainment. 7、Four Control Methods Design: easy to controlled by steering wheel button, touching screen(the car center control need has touching screen function), voice assistant, and remote controller(selective purchasing). 8、Safety Back-up: it will automatically switch to the car self-carried reversing camera screen when driving in reverse. 9、Selected Octa-core Processor 4G + 64G: high configuration, 1.8GHz optimized system design for keeping it running smoothly. 10、Dual BT Configuration: Master-BLE4.2 support complete BT protocol stack of mobilephone side, support to connect to various BT devices, such as BT mouse, BT keyboard, and others input devices; Slave-5.0 support to connect to mobilephone BT, provide BT hands-free cellphone, mobilephone BT music transmission and other functions. 11、Built in Global Positioning System Antenna: optimized layout, with strong signal and high navigation speed. 12、Multi-language Design: Support global languages, customers can switch languages by themselves easily.