Fangrui Product Details Product Name:for Bt Nano 3 Operating Voltage:5v Working Current:max~87ma(5v) Bluetooth Low Energy:supports Wifi:supports. It Be Turned On Automatically Only When Upgrading The Firmware Of The Module Itself. Bluetooth Automatically Turns Off: Enabled By Default, The Module Automatically Detect The / Disarmed Status Of The Fc. During The Flight Of The Drone, The Bluetooth Function Be Disabled To Prevent Other Wireless Devices From Being Interfered By The Bluetooth Signal. Communication Port:uart Baudrate:115200 Bt Switch Pad:the Bluetooth Function 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:flashing White: Indicates That The Uart Communication With Fc Is Abnormal, Please Check Whether The Wiring And Settings Are Correct. Working Status Indicator: Flashing White: Indicates That The Uart Communication With Fc Is Abnormal, Please Check Whether The Wiring And Settings Are Correct. Solid White: Indicates That Th