sought-after ! Castle creations b link Bluetooth mobile app ESC settings adjuster

This is a 2024 dated manufactured Castle creations b-link Bluetooth app ESC settings adjuster you can use this via Bluetooth from your mobile phone of an app free through Castle creations to set your ESC settings without having to open the receiver and plug into a laptop.. I bought it last year new only have used it a few times started doing speed runs so I started using the quick connect Duo in my receiver instead of this to read my data logs off my laptop a little more convenient than this because of the data logging I have to read but it is exceptionally useful for bashing or racing in the field and it is like new condition everything works fine all the wires and connectors are in magnificent condition