Speedy Bee Adapter V2 is a handy helper for every pilot. You connect the Speedy Bee Adapter V2 to the control unit using a micro USB cable, connect to the wifi network of the adapter and you can easily make full-fledged settings using the app on the phone, including flashing the firmware. Both Betaflight and iNav can be set up. A laptop or PC will no longer be needed. The adapter has XT60 and PH2.0 connectors for connecting a 1-6S battery, which will take care of powering the control unit and adapter. Thanks to the wifi network, you don't have to worry about whether your phone supports OTG.