Add bluetooth functionality to any quad with the SpeedyBee BT Nano 3. This adapter lets you change ESC and Flight Controller settings wirelessly with the SpeedyBee app! SPECIFICATIONS Operating Voltage : 5V Working Current : ~10mA Bluetooth Low Energy : Supports WiFi : Supports. It will be turned on automatically only when upgrading the firmware of the module itself. Communication Port : UART Baudrate : 115200 Bluetooth Automatically Turns Off : Enabled by default, the module will automatically detect the armed/ disarmed status of the FC. During the flight of the drone, the Bluetooth function will be disabled to prevent other wireless devices from being interfered by the Bluetooth signal. BT Switch Pad : The Bluetooth function will be disabled when it receives a Low signal.In the BT Switch section of the manual, you can learn about the detailed instructions Power Indicator : Solid Red: Indicates that the module is powered. INCLUDES 1x SpeedyBee BT Nano 3 W/ Pre Soldered Wires 1 x 29 AWG 75mm wire 2 x 3M Double-sided Tape 14mmx30mm 1 x 8mm Diameter Heat Shrink Tube