Detailed “enhanced product description” of ATOTO A6Y2721PR-G can be read here: https://bit.ly/2IYtmt9

Model:A6Y2721PR-G(2G/32G);
Product Version: A6Y Pro Version with gesture sensor (& touching buttons on the left);
*Bulit-in Dual Bluetooth (BT1 5.0 & BT2 4.0.Support as handsfree/BT Music Playback/Contacts Sync/network tethering/OBD).
*Built-in WiFi module, connection to phone’s hotspot data or home WiFi to stay online.
*Highly integrated with 3rd party devices(Dash DVR,Phone Link,BT OBD2, IR SWC Kit,TPMS,sold separately).
*Full HD 7″ 1024×600 5-Touch Capacitive Touchscreen with 600cd/m2 latest 178° full-viewing angle IPS display screen;
*CPU: MTK Soc-based Quad-core 1.5Ghz. GPU: ARM Mali-450 MP4;
*Built-in Max 4x49W Amplifier with RMS 4x29W;
*Preset 9-band EQ with 12 section adjustable frequency
*Built-in FM/AM Radio Tuner w/ RDS;
*OS: Optimized Android 6.0;
*System Language: English,German,French,Italian,Spanish,Portuguese,Arabic,Russian,Japanese;
Inputs,Outputs & Slots:
*Reversing camera input;
*AUX Audio/Video input,no video output;
*4xRCA Audio Out(4v) & Mono Subwoof Out;
*One Micro SD slot – to store media files,on-dash DVR records
*3xUSB Slot – Connect 256G USB Drive, and optional USB devices. One USB is specified for Max 2A quick charge for phone;
Fast Boot – Start the car & access system within 2 seconds;
Builtin Microphone IC & external Wi-Fi antenna have better performance than average Android car stereos;
The first Bluetooth (BT1) is Qualcomm Bluetooth 5.0 with aptX Feature – Streams Wired Quality Sound, Wirelessly;
Highest Compatibility For Vehicle Fit/Installation – 173mm x 97mm front panel dimension, fits most installation dash kit(Metra, Scosche,etc)
Allows users to operate A6 with factory steering wheel audio control (analog resistive signal based), or ATOTO SWC remote kit, or hands gesture.There are 7 gestures available & up to 23 options can

Product Features

• ATOTO A6 Pro has all the features available previously on A6 Premium (vehicle pecific FM/AM Radio tuner with RDS, builtin GPS Navigation module, AUX Audio/video input,Backup camera/dash camera input/TPMS/4G dongle/Dab+ input, Dual Bluetooth for handsfree & data transfer, steering wheel audio control,Quick Booting, max 2A quick charge), and some extra & exclusive features;
• 3).This model comes with 1000cd/m2 TFT-LCD display screen,which has highest brightness to help improve the viewing experience in daylight! 4).Dual Wi-Fi band connection support means even if the routers/public hotspots are set AP band of 5Ghz, A6 Pro can still connect to it for internet access! Besides reversing camera video input, extra two video inputs (CVBS signal) allow users to connect up to 2 cameras simultaneously for special purpose (side camera view, front off-road camera view)
• 5). Exclusive Hands Gesture Recognition Sensor allows driver to control ATOTO A6 with one more option, and it’s very cool to use hands gesture to skip tracks, adjust system volume, and access other operations quickly; Only the ATOTO A6 Pro whose model number ends with “-G” has Gesture Operation. In order to get the gesture sensor to work properly, please kindly check the installation requirements before purchasing! Here is the page for details: https://bit.ly/2I3qIlb
• Newest system firmware (ATOTO AICE OS 9.6) for A6 Series is now available for download (Released on Nov 7, 2019). Two new unique features were added: 1). Wake up phone’s voice assistant (Siri, Google Assistant) via Bluetooth connection; 2).Use Phone bluetooth to automatically unlock A6 screen once it is connected to ATOTO A6; Detailed update instructions can be found here: https://support.myatoto.com/show-29-23-1.html
• Exclusive features are: 1).Latest Qualcomm Bluetooth 5.0 with aptX feature – Streams Wired Quality Sound, Wirelessly,(to enable this feature,your smartphone needs to support Bluetooth aptX,too); 2).Ultra powerful Toshiba pre-amplifier inside with higher RMS power output & excellent performance. Car speakers from 2Ω to 8 Ω are all supported; Most preamplifiers can only power 4 Ω- 8 Ω,but certain users may add 2Ω door speakers to replace factory one for powerful listening;