The bluetooth module is special for adjusting the parameter on flight controller (currently support Betaflight only)by smartphone. You can search "SpeedyBee" on App store or Google Play to download the APP.

Output Power: 0dBm

Receiver Sensitivity: -94 dBm

External Interfaces: BROADCAST SWITCH, TX, RX, 3~5V DC Input, GND

Transmission rate: Bidirectional 1K/S

Bluetooth Protocol: Bluetooth Specification V4.0 BLE

Transmission distance: 30m

Frequency range: 2400 MHZ - 2483.5MHZ(2.4G ISM Band)

Baud rate: 2400,4800,9600,14400,19200(default),28800,38400,

57600,76800,115200,230400

Operating Voltage: 3.3V - 5.0V DC

Working current: 8.3mA~10mA

Weight: 1.4g

Dimensions: 27*15*4.5mm

*Throttle Armed, turn off the Bluetooth-UART Adapter

* Throttle Disarmed, turn on the Bluetooth-UART Adapter

iOS and Android APP allow you to connect the Flight controller PCB via a mobile device for parameters settings.

* iOS 10.0+ : iPhone4S, iPad 3rd Gen and later

* Android 4.3+

1*Bluetooth PCB

1*5PIN Cable

1*3M Double-sided Tapes

1*Heat shrink tube

1*Manual