Purchase Notes:

1. If you need HD connection, please do not buy the Android version. Please choose the other two versions. Android does not support HDMI input because the Android chip only supports output, not input.2. If you need to connect to a computer, please purchase the basic version. Do not choose the Android version. Android needs to connect to your own wifi. After connecting to the network, use the projector to surf the Internet directly, without a computer.