Beelink M8 Quad Core Android TV Smart Box M8 Amlogic S802 2GHz 2.4G/5GHz Dual Band WiFi 2G/16G Mali450 GPU 4K*2K 4K HDMI XBMC Media Player Support 3D Blu-ray ISO Bluetooth 4.0 1. For any question about the product, please feel free to contact us first, we will reply within 24 hours because different time zone. and do our best to solve your question. Please do not open A to Z claim with many thanks. 1 Year quality guarantee. We will supply good after sell service and technical support. Welcome ask question, we will do our best to reply every question which we can solve. 2. CPU: Amlogic s802 AML8726-M8 Quad core Cortex A9@ 2GHz, support Support 4K*2K Ultra HD decode and play 2096*2304 and 3840*2160 Ultra HD movies. 3. Support 4K*2K HDMI Output GPU:Mali450MP, frequency 600MHz, and the HDMI 1.4 output.B4A Ultra HD player output is 4096*2304, and it is 4 times higher resolution than Full HD.So the 4K media player can make every sophiscated image restored and bring a stunning visual effect. 4. Support Support to play 3D blu-ray and Blu-ray ISO format video and movies directly. 5. Support XBMC video play perfectly and preinstall XBMC NaviX add-ons. integrated the latest XBMC media player software, with full functions of the multimedia entertainment. We have video to show customer how to find these add-ons if customer can't find add-ons after buy