Firefly-90 90mm Mini FPV Racing Drone PNP with F3 10A BLHELI_S 16.5 Dshot600 5.8G 25MW 40CH VTX Firefly-90 Mini FPV Racing Drone Features BLHELI_S ESC firmware Support Cleanflight / Betaflight Support telemetry RSSI return Support automatic / semi-automatic / manual flight mode Built-in OSD PID parameters can be adjusted by remote control Firefly-90 Mini FPV […]