Fangrui Product Details Features: 1. Allwinner A33 -a7 Quad-core Processor Lcpi A33 Development Board Uses Allwinner A33 -a7 Quad-core Processor, Supports Android6.0 And Android4.4 Systems, And Has A Main Frequency Of 1.2ghz. 2. Using Mali-400mp2gpu, It Supports 1080p Video Encoding And 264 Hard Decoding. 3. Support Three Mainstream Operating Systems; Support Android7.0, And Debian Operating Systems 4. Rich Interfaces And Extensive Connections, 5. Rich Expansion Interfaces And Functions, With Debugging Serial Port Description: 1. Cpu: Allwinner A33 1.2ghz Arm A7 2. Gpu: Mali-400 Mp2 Opengl Es2.0 1.1 Standards 3. Memory: 1gb Ddr3 4. Memory Card: Support Memory Card: Onboard Self-ejectable Tf Card Holder, Support Up To 64gb Tf Card 5. Emmc: 8gemmc Memory Chip, Faster And More Stable Compared To Tf Card. 6. Wifi: Onboard Ap621224ghz Wifi Transmission Chip And Antenna Interface 7. Audio Output: 1 Stereo Headphone Output; 1 Microphone Input 8. Usb2.0: 1 Usb 2.0 Host Interface, 1 Usb Otg 2.0 9. Uart: 3 Ttl Two-wire Serial Port 10