This is a charging cable for the Futaba LT2F2008B 2s LiPo transmitter battery. The USB-C connector connects directly to the LT2F2000B LiPo battery and the USB-A connector to a 5V/2A USB-A socket on your computer or smartphone charger/power supply.
Specs:
Only suitable for charging Futaba LT2F2000B LiPo Battery that fits T10PX, T16IZ & T26SZ radios
Battery Connector: USB-C
Power Supply Connector: USB-A
Recommended Power Supply: USB-A 5V/2A (Futaba FPEBT3356)