Bluetooth connects projector to to external speakers. Stream with streaming sticks such as Roku Google and Amazon. Hgh-quality entertainment in vivid imagery. Stream media via USB drive memory card 2 HDMI connections and AV IN. LED bulb delivers 20000 hours of usage. 1280 x 720 Resolution. Compatible picture format: JPG PNG BMP. 31.9" - 150" Viewable screen size. Supported quality content: 1080p 1080i 720p 576i 480p 480i. Dimensions: 8" x 6.9" x 3.8". Includes: Remote control. AC Power cord. 100" Portable projector screen. Carrying case.