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Description
Sub250 Oasisfly35 DC HD O4 Pro GPS ELRS2.4GThe OasisFly35 DC O4 Pro is a lightweight 3. 5" FPV drone built for smooth cinematic flying, powerful performance, and maximum compatibility. With a DC frame for clean visuals, strong 1804 motors, the reliable RedFox A3 AIO, and standard GPS on all models, its ready for fast freestyle or safe long distance exploration. Fully optimised for the DJI O4 Pro HD system. Features Crystal clear wide view with O4 Pro: DC frame gives unobstructed footage, while
The OasisFly35 DC O4 Pro is a lightweight 3.5" FPV drone built for smooth cinematic flying, powerful performance, and maximum compatibility. With a DC frame for clean visuals, strong 1804 motors, the reliable RedFox A3 AIO, and standard GPS on all models, it’s ready for fast freestyle or safe long-distance exploration. Fully optimised for the DJI O4 Pro HD system.
Features
- Crystal-clear wide view with O4 Pro: DC frame gives unobstructed footage, while the DJI O4 Pro HD system captures big, clean, cinematic scenes
- Mecha-style printed side plates for protection: Integrated side plates shield electronics from debris, improve airflow, and enhance durability
- CNC 7-series aluminum camera mount: Ultra-strong aluminum protects the camera and frame during impacts
- Multi-VTX compatible: Supports Analog / O3 / O4 Pro, making it easy to switch between video systems
- High-thrust power system: 1804 3450KV motors + 45A AIO ESC deliver fast response, stable low-altitude flight, and confident high-speed dives
- Standard GPS on all models: SUB-M10 GPS provides safe RTH and GPS Rescue when flying in complex environments
- Sub-250g with battery: Light, efficient, and compliant—only 245 g takeoff weight with 4S 530mAh
- Reliable RedFox A3 45A AIO: Quick processing, smooth control, and high efficiency with STM32F722 + ICM42688-P IMU
- Built-in ELRS 2.4GHz receiver for ultra-responsive control and long-range signal stability
Specifications
- Model: OasisFly35 DC O4 Pro Version
- Wheelbase: 175mm
- Arm Thickness: 3.5mm
- Bottom Plate: 1.5mm
- Mid Plate: 2.5mm
- Top Plate: 2.0 mm
- Motor Mounting Pattern: 9x9mm / 12x12mm
- VTX: DJI O4 Air Unit Pro VTX Module
- VTX Antenna: DJI O4 Air Unit Pro Antenna
- Camera: DJI O4 Air Unit Pro Camera Module
- Motor: 1804 3450KV
- FC: RedFox A3 45A AIO
- ESC Firmware: BLHeli_32
- MCU： STM32F722
- IMU：ICM42688-P
- Propeller: HQ 3.5x3.5x3
- Receiver: ELRS 2.4GHz
- GPS: SUB-M10
- Recommended Battery: 4S 530mAh
- Power Connector: XT30
- Body Weight: 194g
- Takeoff Weight: 245g (with 4S 530mAh battery)
- Max Flight Time: 5min 20s
- FC Firmware & Betaflight_4.5.2-SUB250REDFOXF722AIO
Includes
- 1 × GPS Setup Manual
- 1 × Sub250 RedFox A3 AIO Manual
- 1 × Sub250 Rear Silicone Strap with Zinc-Alloy Buckle (11×170 mm)
- 1 × HQ T3.5×3.5×3 Propellers (2 CW + 2 CCW)
- 1 × Sub250 Redfox A3 AIO USB-C Adapter Board
- 1 × 45 mm Dual-End SH1.0-5P Cable
- 1 × Sub250 Merchandise Sticker
- 1 × Sub250 Drone Series Sticker
- 1 × Battery Anti-Slip Pad
- 1 × Sub250 OasisFly35 Lens Silicone Pad (50°)
- 1 × Landing Gear Vibration-Damping Pad (Pack)
- 1 × L-Shaped Hex Wrench (1.5 mm)
- 2 × M2×4×22 Aluminum Textured Standoff (Black)
- 1 × Spare Screw Pack
- 1 × OasisFly35 DC Analog Camera Mount (3D Print)
- 1 × Right Side Plate (Large)
- 1 × Left Side Plate (Large)
- 1 × Right Rear Side Plate
- 1 × Left Rear Side Plate
- 4 x TPU Landing Pads
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Best dog throwing toy
Style: Classic + 2pk Ball, Size: 26in
Probably one of the best purchases I have made! The balls are far superior to any tennis ball. My dog likes to chew or bite down on the balls once she catches them and tennis balls ball apart. As to the actual thrower - the extra length on this one has helped me, I had back surgery and am not able to bend over I can reach the ball without too much difficulty. So to sum it up - best dog throwing toy I have purchase!
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Best toy, the end
Style: Sport, Size: 12in, Style: Sport, Size: 12in
Combined with the Max Glow ball, this is the best dog toy available on modern planet Earth.
I have a burly 92lb. pit bull mix with highly developed prey drive, and she will chase the glow ball for hours if I let her.
The tiny sport launcher (Sport 12M) is the best, because you can still throw the ball really far, but you can also slam the ball down a few feet away from yourself so it bounces up in the air and your dog has to jump to catch it, or you can throw it up really high so it bounces 15' away or so and your dog can jump to catch it. We sometimes have to play fetch in a pretty small area, so it's nice to have the small launcher for these games. The larger launchers aren't as fun in small areas. You can play the same games but it's trickier to throw the ball correctly.
Also, the small launcher is a lot easier to carry. The small launcher fits in my dog-walk-stuff backpack (with the ball in the launcher so I don't have to dig for it later), but the big ones don't easily. The launcher also has a hole in the end so you can hang it from your bag or whatever with a carabiner. The big ones are too long for that in most cases, and swing back and forth.
Also-also my dog loves to ask for the launcher, then when I give it to her she plays keep-away and it's adorable. The big launcher I have is harder for her to balance in her mouth, so she just lays down and chews on it until it gets taken away. She's chewed on all of the four Chuck Its we've owned, but she's only broken one (a big one), but that's because she got ahold of it when no one was home. The little one in my bag is totally chewed up but still works great. I think they're sturdier than the big ones. Except for the launcher she chewed into pieces, which was our fault, the only reason we've had to replace anything was because we lost it. Usually we keep the launcher and ball in the backpack so she can't get to them and so they don't get lost, so we rarely have to replace them. There is just not a better value in toys, and the startup price is really low.
Once again I really recommend the glow ball! It doesn't get soggy no matter how wet the grass or the dog mouth is. It is fun to chase because it is slippery and it collapses when it's squeezed, so it pops out of the dog's mouth and flies away if they bite it at the wrong angle; it's really bouncy, and stays bouncy because it can't be popped; it whistles so you can usually hear it even if you can't see it; and it really glows enough for nighttime catch, even if you only have your cellphone flashlight to charge it up!
UPDATE:
I should have said, we have the 12M launcher, which means the handle is 12 inches long and it uses a medium-sized ball. The medium ball is 2.5 inches in diameter, so the launcher will fit regular tennis balls, too! But my dog won't play with regular tennis balls anymore because they aren't anywhere near as fun as the glow balls, and I think she doesn't like having gross sloshy muddy tennis balls in her mouth.
I lost my short launcher awhile back and could only get a long one locally to replace it, which reminded me that you have to lean over a lot further to use the short launcher. So if you have trouble leaning over to the point that your hand is a foot above the ground, this may be hard for you to use.
I wish Amazon would let us choose colors, because my old one was green, and the big one is orange, both of which are bright enough to see in the grass from far away, even at night.
Still, best toy!
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Reviewed in the United States on May 19, 2017
★★★★★ 5
Highly recommend.
Style: Sport, Size: 12in
Love this. Dog sitting for a dog that loves to chase balls but my shoulder doesn’t like throwing them. Got this yesterday and it’s perfect. Real arm/shoulder saver.
Seems sturdy and I was concerned that a standard tennis ball would not work. We tend to lose balls when walking because this lab insists on carrying the ball in its mouth. They work.
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Reviewed in the United States on March 22, 2026
★★★★★ 5
These are awesome and I couldn't play ball with my Dobermans without it!
Style: Sport, Size: 12in
I LOVE Chuckit ball launchers. We've been using for a around 17 years and we've only had to replace one. We have 2 active, energetic Dobermans and I throw like a girl and there is now way I can throw a ball very far. With the Chuckit, I can throw more than 80 feet! My dogs need a lot of exercise and using this ball thrower allows me to make that happen. Bonus is I dont have to pick up a snobbery ball :)
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Reviewed in the United States on April 13, 2026
★★★★★ 4
Not a long shot
Style: Sport, Size: 12in
This item is much smaller than I thought it would be .
The ball is full sized . But the thrower is very small.
Works okay. But does not throw the ball very far . It’s okay for me . My dogs are small. My yard is too .
But , this is not going to throw balls really far . Like the long ones do
Thsnks
Eddie
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Reviewed in the United States on March 26, 2026