The CLRACING Bluetooth adapter allows you to use the Speedybee app that's compatible with both Android and IOS to tune your flight controller.

This module really shines when being used with Pyrodrone F4 RACE FC as no external power will be needed!
The module will get power once plugged to the FC USB.

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)

Support FC power the bluetooth module. (on supported OTG flight controllers like the CLRACING F7 and Pyrodron F4 RACE)

Support STM32/Cp210x USB Connector,compatible with most flight controllers
Using with SpeedyBee App, the most convenient Mobile Ground Station!

IOS Device: Iphone 4s,iPad 3rd Gen and later iOS 10.0+

Android 4.3+Devices

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

CLRacing Bluetooth USB Adapter