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Description
AOS 3.5 Evo HD O3 4S BNF FPV QuadcopterMeet the Underdog that Punches Above Its Weight: Ever dreamt of a drone that hustles like a heavyweight but floats like a feather? Enter the AOS 3. 5 EVO the David in a world of Goliaths. Built to rival 5" Freestyle quads, this nimble ninja stays under 250g, making it the stealthy choice for aerial acrobatics without the regulatory hassle. Tech Upgrades Galore Because 'Good Enough' is Never Enough: Compatibility Master: DJI O3 Air Unit? Check. 20x20mm
Meet the Underdog that Punches Above Its Weight:
Ever dreamt of a drone that hustles like a heavyweight but floats like a feather? Enter the AOS 3.5 EVO - the David in a world of Goliaths. Built to rival 5" Freestyle quads, this nimble ninja stays under 250g, making it the stealthy choice for aerial acrobatics without the regulatory hassle.
Tech Upgrades Galore - Because 'Good Enough' is Never Enough:
- Compatibility Master: DJI O3 Air Unit? Check. 20x20mm and 25.5x25.5mm electronics? Double-check.
- Reinforced and Ready: Upgraded camera cage and arms. Because what's a hero without armor?
- Vibration and Resonance? What's That?: With its exceptional vibration handling, the AOS 3.5 EVO ensures your footage is as smooth as your piloting skills.
Born from a Geeky Analysis of Quadcopter Physics (Yawn, but Important!):
- Disc Loading - The Secret Sauce: This isn't just a drone; it's a flying thesis on the ideal disc loading for freestyle flight.
- Prop-erly Sized: At 3.5", its props are not just good; they're the goldilocks of aerial acrobatics.
Highlights: Not Your Average Drone Features:
- Mini but Mighty: 160mm wheelbase paired with 4 mm muscular arms.
- Stacks on Stacks: Choose your electronic stack setup; versatility is key.
- Camera Compatibility: It's like a universal remote but for cameras - fits DJI O3, Caddx Vista, HDZero Whoop VTX, and more.
- July 2023 Update: Now with silicone dampers and a secured battery plug, because we're always in beta.
Specs that Make Geeks Weep with Joy:
- Featherweight Champion: Approx. 185.5g (sans battery).
- Mighty Motors: XING 1504 3100KV motors for that oomph.
- Propellers: HQ 3.5 2.5 3, because size and shape matter.
- Max Speed: 110 Km/h. Because who likes waiting?
Video Transmission - Because Seeing is Believing:
- DJI O3 Air Unit: Crisp, low-latency video transmission.
- Quality and Latency: Choose your quality; we keep the latency lower than your last ping in a video game.
In the Box:
- 1 x AOS 3.5 EVO 4S HD BNF
- 2 x Battery pads (because landing shouldn't be a crash course)
- 2 x Prop(Pairs) (because backups are essential)
A Little PSA:
- Pre-tuned for Pleasure: Iflight have done the PID- and Filter tuning. Just unpack and you're ready to defy gravity!
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
4.7 ★★★★★
Based on 21 reviews
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Product Reviews
★★★★★ 5
Actually Cooling Pillow
Size: Queen (1 Count), Color: Original White (Cooling)
This is a really nice pillow, I was worried it would be too soft or too firm but it's just right and it's actually cooling, it feels cool every time I touch it. I've noticed an improvement in sleep since using it. Would recommend!
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Repurchased in King Size – Still Love These Cooling Pillows
Size: King (2 Count), Color: Original White (Cooling), Size: King (2 Count), Color: Original White (Cooling)
After using the queen-size version of these pillows for over a year, we purchased the king-size set when we upgraded to a king mattress. Both my husband and I really like them.
The cooling feature works well, and we like that each side feels different—when I run cold, I use the softer bamboo side, while my husband prefers the cooler side since he tends to sleep hot. They fit well in our king-size pillowcases and feel supportive in all sleeping positions, whether I’m on my stomach, side, or back.
I also appreciate that you can remove some of the filling to adjust the firmness. The covers are washable, which makes them easy to maintain. Overall, we’re very happy with this repurchase and the long-lasting comfort.
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Reviewed in the United States on April 15, 2026
★★★★★ 3
Not great at cooling
Size: Queen (2 Count), Color: Original White (Cooling)
Each pillow cover has 2 sides, one marked for cooling, and the other a different fabric. The cooling side is about the same effectiveness as having a silk or satin pillow cover. It's only cool when you first touch it. The cooling side doesn't seem to absorb or wick moisture, so if you are sweaty - it keeps the moisture in place. You'll definitely want a regular pillow case over the pillow cover. In fact, if you suffer from night sweats, the non-cooling side is actually more comfortable. The pillow fill is ample, and simple to squish around for more support for your neck, etc. Think bean bag. But it will retain your impression after use. I find I need to do as I did when I had down pillows - give it a few good shakes in the morning when I make the bed to get it evened out for the coming night. In all, it is a well-made and comfortable pillow to sleep on, but it does not excel in cooling.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
excellent pillows i bought two sets!!
Size: Firm Queen (2 Count), Color: Original White (Cooling)
I ordered these for my son who has neck issues and has gone through so many pillows trying to find one that he liked. They’re heavy, so i was worried that they might be “too” heavy to be able to sleep on comfortably, so I ordered a second set, one firmer than the other (just in case) and gave him a set for Xmas and he loved the first set so much without even trying the less firm ones.He also needs the cooling factor and these offered that, too. They are filled with pieces of memory foam (tons of it) and each pillow can be modified by removing some of the foam. The covers are beautiful, high quality fabric with a zipper so ts easy to remove or replace the foam pieces. The size is perfect and they keep their shape. I kept the second set i ordered rather than returning them and i love the pillows. I actually modified two by removing some of the foam pieces. I kept the foam pieces in a zippered pillow protector and i can always adjust mine when or if i need to.
1000% love these.
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Reviewed in the United States on March 22, 2026
★★★★★ 5
The Perfect Firm Pillow l
Size: Queen (1 Count), Color: Original White (Cooling)
It is everything it claims to be, cool, comfortable and strong. I got this for my husband first, he loves it and then got one for my son, he uses it to support his knees and has been sleeping much better since then.
They both needed a firm pillow that is not super soft, firm but not achy.
Finally found the perfect one.
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Reviewed in the United States on May 6, 2026