Tips#1.The projector is designed for Home Cinema Theater, recommend to use in dark environment for better performance.#2. NOT Recommended for PPT, Word, Excel, class or business presentation.#3.When connect smartphone, please confirm if the phone support MHL function, you need a WiFi display dongle or a MHL cable to connect phone and projector, and choose “HDMI”as input source.#4. Built-in Speaker, but for better sound performance, please connect an external speaker through HDMI port or RCA L/R Jack.#5. Doesn’t support Dolby’s Audio system#6. The USB port can only compatible with mouse, keyboard, TF card reader and USB sticker. No SD card slot. This is a LCD projector, not DLP. LCD projector is easily overheating due to the powerful
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