BMS JB4 Data Cable
The BMS JB4 data cable is used to connect your JB4 to your laptop. Once connected to your laptop, the JB4 data cable allows you to update firmware, datalogging, read codes, boost by gear, and much more.
You can use either the JB4 data cable or the JB4 Rev3 Bluetooth to connect to your JB4, you can not use both.
If you wish to start off using the BMS datacable, you can easily upgrade to the Rev 3 Bluetooth at any stage with ease.