Overview
The Sub250 Nimble65 HD O4 is a high-performance 65mm mini whoop FPV drone designed for ultra-lightweight HD flying. Featuring the advanced DJI O4 digital video transmission system and weighing only 27±1g (excluding battery), this 1S brushless whoop delivers low-latency HD clarity in a compact sub-100g build. Powered by Sub250 0702 27000KV motors, HQ 1.2x0.9x3 tri-blade props, and a Redfox A1 5A AIO flight controller with built-in BEC, it offers responsive control and clean video power. The ELRS 2.4G (SPI) receiver and ICM42688-P gyro ensure reliable, accurate flight—ideal for indoor racing, micro freestyle, or HD training setups.
Key Features
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Ultra-light 27g weight (without battery) for true sub-100g builds
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DJI O4 HD digital FPV system with low latency and clear video feed
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Sub250 0702 27000KV motors optimized for high-speed micro performance
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Redfox A1 5A AIO FC with built-in BEC for stable power and compact wiring
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HQ 1.2x0.9x3 tri-blade propellers for efficient, agile flight
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ELRS 2.4GHz (SPI) integrated receiver for long-range, low-latency control
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STM32F411 MCU and ICM42688-P gyro for responsive stability
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25.5x25.5mm VTX mounting pattern, compatible with modern digital stacks
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A30 battery connector; recommended battery: 1S 300mAh
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Approx. 2 min 30 sec flight time depending on maneuver intensity
Specifications
| Parameter | Details |
|---|---|
| Model | Nimble65 O4 |
| Wheelbase | 65mm |
| Weight | 27±1g (without battery) |
| Motor | Sub250 0702 27000KV |
| Propeller | HQ 1.2x0.9x3 |
| Flight Controller | Redfox A1 5A AIO with BEC |
| ESC | 12A |
| MCU | STM32F411 |
| Gyro | ICM42688-P |
| VTX / Camera | DJI O4 |
| Receiver | ELRS 2.4G (SPI) |
| Battery Connector | A30 |
| Recommended Battery | Sub250 1S 300mAh |
| VTX Mounting Pattern | 25.5 × 25.5mm |
| Estimated Flight Time | 2 min 30 sec (varies by flight style) |
Package Contents
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1 × Nimble65 O4 HD FPV Drone
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4 × HQ 1.2x0.9x3 Propellers
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1 × Screwdriver
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2 × Prop removal tools
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1 × 1.5mm L-type hex wrench
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12 × Mounting Screws
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4 × Spare Frame Screws
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1 × Sub250 Sticker Sheet
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1 × Sub250 Quick Start Manual
Details

Sub250 Nimble65 O4: 65mm 1S Mini Whoop FPV drone. Join us on a journey to new joys in life with Nimble65.


Nimble65 O4 specs: 65mm wheelbase, 27±1g weight, Sub250 0702 27000kv motor, Redfox A1 FC, ELRS2.4G receiver, STM32F411 MCU, DJI O4 VTX/camera, 12A ESC, HQ1.2x0.9x3 props, ICM42688-P gyro, 2 min 30 s flytime.




Product list includes Sub250 drone, four propellers, tools, screws, and various stickers with logos and designs.
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