The CLRACING Bluetooth adapter allows you to use the Betaflight app either on the web or on your phone to change settings on your flight controller.

Features
2s-8s power input, at the same time, the Micro USB interface supplies power to the flight controller (A battery can simultaneously power the Bluetooth module and the flight controller)

Specifications:

Output power: 0 dBm
Receiver Sensitivity: -94dBm
Transmission Rate: Bidirectional 2K/S
Bluetooth Protocol: Bluetooth Specification V4.0 BLE
Transmission Distance: 10m
Frequency Range: 2400 MHZ-2483.5 MHZ (2.4G ISM Band)
Baud Rate: 19200
USB Seril Port Baud Rate: 115200
Operating Voltage: 2-8S Lipo (6-30V)
Minimum Operating Current When Connecting FC: 80,A
Dimensions: 42x20x5.6mm
Net Weight: 3.5Gr.

Includes:
1 x CLRACING Bluetooth USB Adapter
1 x XT60 Connector
1 x Wire Set
1 x Clear Heat shrink

Proceedure for connecting with the Betaflight App on  an Android Phone

Proceedure for connecting with the Betaflight App on  a computer