Built-in 3D Accelerator?? Support 3D gaming; Support 4K picture.</br>SUPPORT OLD TV?? only need you buy the AV wire in your local market.</br>High Performance Hardware: Android 5.1 operating system with RK3229 Quad-Core CPU + 1GB RAM (DDR3) + 8GB ROM?? that make the TV Box runs more easily and stably.</br>Easy to use: Plug in and ready to Play?? WiFi/Ethernet free connection. Support wireless Mouse and keyboard via 2.4GHz USB dongle?? 4pcs USB port for choose. Support Miracast?? share videos??audio??pictures from Phone/Pad/PC to TV via network.</br>60-Days-Money back-Guarantee: Each one TV BOX have taken aging-test and double check to ensure its high quality. We always provide high quality products and wonderful customer service to our clients.</br></br>Product Description</br></br><p><b>Hardware Specification:</b><br> CPU:RK3229 Quad-core Cortex A7 1.5GHz 64b