Android 8.1 OS. Rockchip RK3328 Quad-Core. Chipset: RK3328 Quad-Core Cortex-A53@1.50 GHz GPU: Penta-Core Mali-450@750 MHz+ FLASH: 32GB EMMC FLASH SDRAM: 4GB DDR3 Power Supply: DC 5V/2A Power Indicator (LED) Power ON: Blue; Standby: Red & Panel Display OS: Android 7.1.2. 3D: Hardward 3D Graphics Acceleration Support. Decoder Format: HD MPEG1/2/4,H.265,4K-UHD, HD AVC/VC-1, RM, RMVB, Xvid, DivX3/4/5/6, RealVideo8/9/10. Support Media Format: Avi, Rm, Rmvb, Vob, Mkv, Mov, ISO, wmv, asf, flv, dat, mpg, and mpeg. Support Music Format: MP3, WMA, AAC, WAV, OGG, AC3, DDP, TrueHD, DTS, DTS, HD, FLAC, APE. Support Photo Format: HD JPEG, BMP, GIF, PNG, TIFF. USB Host: 2 High Speed USB 2.0, support U DISK and USB HDD Card reader: SD/SDHC/MMC cards. HDD File System: FAT16/FAT32/NTFS. Support Subtitle: SRT, SMI, SUB, SSA, IDX+USB High Definition. Video Output: SD/HD max.1920×1080 LAN Ethernet: 10/100M, Standard RJ-45. Wireless: Built in WiFi. Bluetooth: 4.0 Mouse/ Keyboard: Support Mouse and keyboard via USB Support 2.4GHz wireless Mouse and keyboard via 2.4GHz USB Dongle. HDMI: HDMI with CEC. AV : Support 3G Support SPDIF/IEC958 : Coaxial Network Function : Netflix, Hulu, Flixster, YouTube etc.