Flywoo Firefly 20 Pro O4 Pro 4S Micro Drone

Firefly 20 PRO & 25 MINI is Flywoo's First Modular 3S-4S O4 PRO Ecosystem. The Flywoo Firefly series redefines micro drone versatility with its revolutionary "One VTX, Two Frames" modular system. Engineered for pilots who demand both cinematic endurance and high-speed freestyle, this ecosystem allows you to transplant the entire DJI O4 PRO digital VTX between the 25MINI (3S Cinematic) and 20PRO (4S Performance) frames in under 3 minutes using only 4 screws—completely solder-free. While the Firefly 25MINI excels in long-range efficiency (up to 12 minutes flight time), the Firefly 20PRO is a bando-basher capable of speeds exceeding 120km/h. Equipped with a custom anti-vibration gimbal adjustable from 0° to 25°, it ensures jello-free, high-speed footage that was previously impossible for micro-class drones. Features: Seamless VTX swap between two drones, no re-soldering or calibration Factory pre-tuned PID, 120km/h max speed, no prop wash High-strength carbon fiber frame, reinforced front arm for crash resistance Built-in buzzer, one-click trigger to find lost drone easily Solder-free VTX+Buzzer+RX+GPS, plug-and-play, easy for beginners Shock-absorbing gimbal ：0°–25° adjustable lens angle; eliminates vibration and jelly effect for stable, clear footage. Specifications: Video Transmission System: DJI O4 Pro Receiver: ELRS 2.4GHz Weight: 113g Flight Controller MCU: STM32F405 AIO: Goku F405 SE 3-4S 20A AIO Gyroscope: ICM42688-P / MPU6000 Black Box: 8MB Motor: ROBO 1303 6000KV Props: 2023-3 3-Blade 1.5mm Shaft Battery Connector: XT30 Voltage Input: 4S LiHV Recommended - 550mAh / 750mAh Flight Time (Data Based on DJI O4 Pro VTX Setup): 750mAh - 6 min 30 s, 450mAh - 5 min Throttle (Data Based on DJI O4 Pro VTX Setup): 750mAh - 24%, 450mAh - 22% Max Speed: Approximately 120km/h Core Applicable Scenarios: High Burst Power Racing, Extreme Freestyle, Flexible Indoor/outdoor Flying Breaking the Mold - Swap your VTX in seconds Just 4 screws. Why build twice? We engineered the top plate to house the entire digital VTX and antenna system, keeping the powertrain bolted to the bottom. No re-soldering. In under 3 minutes, transplant your Digital VTX to the other frame. Go from a 3S cinematic cruiser to a 4S bando basher effortlessly. Includes: 1x Flywoo Firefly 20 Pro O4 Pro 4S Micro Drone 1x Hex Wrench 1x ND Filter 2x 10*130mm Battery Straps 2x Plastic Protective Side Panel 1x M2*6.6mm Shock Absorbing Ball 5x Washers 1x Screw Kit Download Manual