1、4GB DDR3 RAM, 32GB eMMC ROM, enough to meet your needs, and has longer service life. 2、This TV Box supports multiple video decoders, supports up to 4Kx2K @ 60fps + 1x1080P @ 60fps. 3、Support multiple secure video decoding sessions and simultaneously decode and encode video/picture decoding. 4、3-5m long-distance sound collection, support for voice enhancement, echo cancellation and speaker estimation of direction. 5、In addition to buit-in media playback, it also supports hard disk, U disk, TF card playback. 6、Support DLNA function, support 2.4G wireless mouse / keyboard. Item Type: Set Top Box CPU: H603 quad-core 64-bit ARM for Cortex-A53 GPU: High-performance multi-core GPU for Mali T720 RAM: DDR3: 4GB ROM: eMMC: 32GB Bluetooth: Bluetooth 4.1 + HS; support voice remote control Input / Output: 1 x HDMI OUT 1 HDMI 2.0a TX 1 x HDMI input 1 HDMI 1.4 TX input 1 x AV OUT 486i / 576i Memory output 3 x USB 1 x USB 3.0; 1 x USB 2.0; 1 x USB2.0 OTG 1 x RJ45 Ethernet interface; supports 10 / 100M 1 x Light-light output 1 x TF card supports 4GB / 8GB / 16GB / 32GB / 64GB Power Supply: DC 5V / 2A LED Indicator: Blue When Working Operating System: For Android 9.0 Video: Full Video Engine (AVE) with dedicated hardware decoder and encoder H265 / HEVC Main / Main10 @ Level5.2 high level; 4K @ 60fps, up to 6Kx4K @ 30fps H264 / AVC / MP / @ level5.1, MVC, 4K @ 30fps VP9,  0 / 2, 4K @ 30fps VP6 / VP8, 1080P @ 60 frames / sec MPEG1 / MPEG2 SP @ ML, MP @ HL, 1080P @ 60fps MPEG4 SP @level 0~3, @level 0~5, short title format, 1080P @ 60fps AVS + / AVS JIZHUN configuration file @level6.0, 1080P @ 60fps VC-1 SP @ ML, MP @ HL, AP @level 0~3, 1080P @ 60fps Remote Control Battery: 2 x AAA (Not Included) 1 x Set Top Box 1 x Power Plug 1 x HDMI Cable 1 x Instruction Manual 1 x Remote Control