Splitter box for the Walksnail Avatar GogglesX.
This box distributes the connections for the Head Tracker output and the analog input, allowing you to use both features simultaneously in your long-range analog setup.

Part List (non-affiliate links):

3.5mm 4 pole jack - https://www.aliexpress.com/item/1005003621329893.html
3.5mm 3 pole jack - https://www.aliexpress.com/item/1005003621329893.html
RCA connector - https://www.aliexpress.com/item/1005006449172951.html
4 pole extension cable - https://www.aliexpress.com/item/1005006855925388.html
Splitter Box to TX16S MKII trainer cable - https://www.aliexpress.com/item/1005005893999515.html
Splitter Box & Cable Case - https://www.aliexpress.com/item/1005006495497690.html