① HMD strap and cable hole
② HDMI port
③Video signal connection indicator
④ USB port
⑤ Video link pairing button
2.PC Transmitter
① HDMI port
② DCIN power port
③ Video link pairing button
④ Mounting screw hole
⑤Video signal connection indicator
3. Power Box
① DCIN power port – Connected to the long connection cable
② USB port for – Connected to the long connection cable