Overview
The Flywoo Flylens 75 HD O4 PRO V1.3 is the smallest and most lightweight DJI O4 PRO-enabled 2S whoop FPV drone on the market, meticulously engineered by Flywoo. Weighing just 75.3g, this compact 40mm prop whoop is equipped with the DJI O4 Air Unit Pro, delivering 4K/120fps ultra-clear video, low-latency transmission, and outstanding image stability—making it ideal for both indoor cinematic flights and dynamic outdoor maneuvers.
Built with durable carbon fiber + PC materials, a reverse thrust power system, and four-point CNC camera damping, the Flylens 75 ensures stable, vibration-free aerial video and reliable flight control. It's the perfect choice for creators and pilots who demand powerful performance in a compact, sub-100g package.
📌 Note: This drone uses the DJI O4 Air Unit Pro, not the standard O4 unit—ensuring superior imaging performance and flight transmission quality.
Key Features
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Ultra-Light 75.3g DJI O4 Whoop: The lightest DJI O4 PRO-compatible 2S drone on the market.
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4K 120fps HD Video Recording: Powered by the DJI O4 PRO Air Unit, delivering crisp footage with low latency and long-distance control.
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CNC Four-Point Camera Damping: Eliminates vibrations and jelly effect for smooth cinematic results, even in bright sunlight or rapid movement.
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Reverse Thrust Power System: Enhances flight stability, CG balance, and endurance while reducing turbulence and motor strain.
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Quick-Release Modular Frame: Five-screw assembly and quick battery swap design for ease of maintenance and portability.
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Flexible Battery Options: Supports 550mAh, 750mAh, and 1000mAh 2S batteries—balancing power, agility, and flight time.
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Durable Frame Construction: Built from carbon fiber + high-strength PC, this drone can handle impact and resist deformation.
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XT30UP Connector: Flywoo’s upgraded XT30UP cable ensures stronger retention, easier plug/unplug, and secure power delivery.
Specifications
| Specification | Detail |
|---|---|
| Model | Flylens 75 HD O4 PRO 2S Whoop FPV Drone V1.3 |
| Frame | Flylens 75 HD O4 PRO Frame Kit |
| Flight Controller | GOKU F405 HD 1–2S ELRS AIO V2 (BMI42688 gyro) |
| MCU | STM32F405 BGA |
| ESC | 12A 4-in-1 ESC |
| Transmission | DJI O4 PRO Air Unit |
| Camera | DJI O4 PRO Air Unit |
| Propellers | 1611-3 (40mm, 1.5mm shaft) |
| Motor | ROBO 1003 |
| Antenna | Flywoo 5.8G 3dBi Brass Antenna (UFL) |
| Weight | 75.3g (including O4 PRO Air Unit) |
| Connector | XT30UP (Flywoo Custom) |
| Camera Tilt Range | 0°–25° (adjustable) |
Battery Performance Comparison
| Battery | Takeoff Thrust | Flight Time | Max Speed |
|---|---|---|---|
| 550mAh 2S | 34% | ~3 minutes | 55 km/h |
| 750mAh 2S | 36% | ~4 minutes | 55 km/h |
| 1000mAh 2S | 38% | ~5 minutes | 55 km/h |
📌 Quick-release battery compartment supports all above sizes and enables rapid battery replacement.
Flight Controller Highlights – GOKU F405 HD AIO V2
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Processor: STM32F405 BGA MCU
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ESC: 12A 4-in-1 (supports 1–2S)
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Gyro: BMI42688
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UART Ports: 5 UARTs
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Blackbox: 8MB storage
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I2C Compass Input
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Built-in ELRS 2.4G Receiver
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Lightweight & Compact for micro drone integration
Structural Design & Imaging Stability
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Y-Shaped Frame Structure: Improves structural integrity and resistance to crash deformation.
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Quick-Assembly: Only 5 screws required to disassemble the main frame.
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Four-Point Shock Absorber: CNC damping system provides industry-leading anti-vibration results—perfect for stable 4K FPV video in any environment.
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Reinforced VTX Compartment: PC-material housing improves cooling and protects the downward-facing DJI O4 PRO unit.
Flywoo DJI O4 PRO ND Filter Set (Sold Separately)
Crafted with AGC optical glass and a CNC aluminum frame, Flywoo’s custom ND filters for the DJI O4 PRO offer scratch resistance, oil-proofing, and easy snap-on installation. Includes four filters to meet diverse cinematic needs.
What’s Included
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1 × Flylens 75 HD O4 PRO 2S Whoop FPV Drone
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1 × USB Data Cable for DJI O4 Air Unit (90° Type-C)
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1 × 2S 550mAh TPU Battery Mount
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1 × 2S 750mAh TPU Battery Mount
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1 × 2S 1000mAh TPU Battery Mount
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8 × 1611-3 Propellers
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1 × Screwdriver
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1 × Full Hardware Set
Details
Update Log: The new version of the O4 PRO bracket camera has an adjustable angle from 0° to 25°.

Flywoo Flylens 75 O4 PRO, ultra-light, ultra-fun, unstoppable FPV drone with advanced filters.

O4 PRO AIR UNIT includes a 1/1.3-inch CMOS sensor for capturing 4K/60fps and 4K/120fps video with a 155° FOV. It supports 10-bit D-Log M Color Mode. Video transmission offers 1080p/100fps H.265 live view, 15ms latency, and a 15km range. With built-in 4GB storage expandable via microSD, it's perfect for FPV applications. This unit delivers superior image quality and reliable connectivity, making it ideal for high-performance use.

Flylens75-O3, O3-Lite, O4Pro, and O4 drones weigh 79.5g, 70.0g, 75.3g, and 55.4g. Lighter weights offer better flight feel and improved performance.


Flywoo DJI O4 Pro ND Filter Set
We have customized high quality filters for the O4 PRO. A professional filter kit crafted with AGC optical glass for oil, smudge, and scratch resistance, ensuring crystal-clear visuals. The snap-on design guarantees secure installation without any slips. CNC frame is sturdy and durable. With four filters, it caters to diverse shooting requirements.
(Need to be purchased separately, not included in the product accessories)
Flywoo DJI O4 PRO ND CPL Filters Set in clear case.


O4 Pro Ultra Shock-absorbing Gimbal uses four balls for stable video in any environment, reducing vibration and jelly effect. Ideal for high-quality recording.



F405 BGA Flight Control includes F405 chip, ELRS 2.4G UART, 12A 4-in-1 ESC, 5 UART ports, I2C compass support, and 8MB BlackBox memory for high-performance flying and reliable data logging.

ROBO 1003 and 3 Blade Prop power System: 1611-3 props, 2S 550mAh (~1000mAh) battery, 6 minutes endurance.
Quick-release Battery Compartment
The Flylens75 features a quick-release battery compartment, allowing users to choose from various battery capacities and enabling swift battery replacement.

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