Amazon.com: Skywin 3-in-1 VR Backpack Cable - Compatible with HP Z VR Backpack and HTC Vive - 3 in 1 HDMI+USB+DC 1 Meter Cable for Linkbox and Headset Connection (3.2 Foot) (Black) : Electronics
BirdDog Flex 4K BACKPACK HDMI to Full NDI Encoder BDFLEXBP B&H
HDMI 7 800x480 Display Backpack - With Touchscreen : ID 2407 : $89.95 : Adafruit Industries, Unique & fun DIY electronics and kits
HDMI 7 800x480 Display Backpack - With Touchscreen ID: 2407 - : Adafruit Industries, Unique & fun DIY electronics and kits