i3ALLSYNC HDMI/USB-C Transmitter i3ALLSYNC HDMI/USB-C Transmitter User Manual for i3ALLSYNC 4.0 users Chapter 1: Product Introduction Chapter 1: Product Introduction Thank you for purchasing i3ALLSYNC HDMI/USB-C Transmitter. This section is going to introduce you the i3ALLSYNC HDMI/USB-C transmitter. ×