If you have an MHL-compatible smartphone or tablet, you can
connect it to the projector using either an MHL cable or an HDMI
cable with a device-compatible MHL adapter. If you have a device
with a built-in MHL connector, plug it directly into the
HDMI 1/MHL port.
connected devices may not charge when using an MHL adapter.
projector converts the digital audio signal sent from your video
source into a mono analog signal for the internal speaker or a
stereo analog signal if you are connecting to external