use a 1m standard USB-A to micro USB cable for the GameSir T1s
. The housing of the micro USB plug has to be narrow so that it fits into the GameSir T1s
socket, for example this one
Then use this OTG adapter
to connect to an Android smartphone with a micro OSB socket.
Or use this adapter
to connect to an Android smartphone with a USB-C socket.
I've been using this combination for years without any problems, but only with the Tello-FPV app
With an Apple device I have not been able to establish a cable connection.