Upgraded Version CS918 Plus Rk3288 Smart Android Tv Box Quad Core Cortex A17 Android 4.4 Mini Pc Tv Stick Wifi Media Player RK3288 Quad-core 2.0GHz (Cortex-A17) Quad Core Mali-T764 GPU Google Android 4.4, Support OTA function Great wifi signals, and bluetooth v4.0 Protocol Support DLNA,Miracast Protocol,Support DRM requirement.