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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
For Your Every Summer RSVP, with Code: SUMMER15
Description
Sync 251 UAV Drone RTFThe Ready to Fy Dromida Sync 251 UAV makes it easy to fly your own quadcopter, inside or outdoors. By taking advantage of simple to use but advanced stabilizing features, the Sync 251 helps keep flight under control automatically! Overview Key Features Optical Flow Technology SAFE Technology Altitude Hold functionality Auto take off and landing ability Headless Mode Integrated LEDs Transmitter Features LED indicators for transmitter battery power
The Ready-to-Fy Dromida® Sync™ 251 UAV makes it easy to fly your own quadcopter, inside or outdoors. By taking advantage of simple-to-use but advanced stabilizing features, the Sync 251 helps keep flight under control automatically! Overview Key Features - Optical Flow Technology - SAFE® Technology - Altitude Hold functionality - Auto take-off and landing ability - Headless Mode - Integrated LEDs Transmitter Features - LED indicators for transmitter battery power status, binding progress, low/high rates on or off, optics on or off. - Signal loss warning (audible beep). - Auto-flip function (press and release top right button; move right stick in the direction desired to flip). - Optical Flow on/off (default setting is ON) - Headless Mode on/off (default setting is OFF) - Auto start/stop, take off, and land (by pressing top right button) - Aileron and elevator control and trims The ready-to-fly Dromida® Sync™ 251 UAV makes it easy to fly your own quadcopter, inside or outdoors. By taking advantage of simple-to-use but advanced stabilizing features, the Sync 251 helps keep flight under control automatically! Optical Flow technology gives the Sync 251 UAV unrivaled stability in an entry-level quad. Optical Flow gathers data from patterns on the ground or floor below. It uses that information to assist the quad in holding its lateral, or side-to-side, position. Another feature, Altitude Hold, automatically adjusts the throttle to maintain your desired flying height. It all adds up to easy takeoffs, confident landings, and rock-solid flight even in light winds. Can piloting the Sync 251 UAV be any simpler? Yes, when you select its optional Headless Mode. With Headless Mode active, it doesn’t matter which end of the quad is the “front” — it will always move in the same direction that you move the control sticks. You don’t even have to think about orientation! The 250mm Sync 251 UAV has a high-contrast, black and white trim scheme that makes the quadcopter easy to follow in the sky. LED indicators below the prop arms add visual flair and an additional point of reference for orientation. What's in the Box? (1) Sync 251 UAV Drone RTF (1) 2.4 GHz Transmitter (1) 900 mAh Flight battery (1) 850 mAh USB Charger (4) Spare Blades (4) AAA batteries for Transmitter (1) Screwdriver (1) Product Manual *This device has not been authorized as required by the rules of the Federal Communications Commission. This device is not, and may not be, offered for sale or lease, or sold or leased, until authorization is obtained.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 29 reviews
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Product Reviews
★★★★★ 5
Top of the line, best pillows Ive ever had
Color: White-cooling Basic, Size: Queen(Pack of 2)
These pillows are top of the line! I bought them in 2024 and they are still fluffy. When they lose a little fluff, you just punch em around a little bit and voila, like new again. They have kept their shape cery well and do great for cooling. I haven't had to add more filling yet either. I just laid my head on one and thought, I need to do a review cause everytime i lay on these pillows its like clouds. My head is heavy and this is relief :-D
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Reviewed in the United States on May 21, 2026
★★★★★ 3
Weird smell
Color: White-cooling Basic, Size: Queen(Pack of 2)
The pillows are great for someone looking for something cool and comfortable. We loved them so much that we bought a second pair. However, we were seriously disappointed with the odor of our last purchase. They give off a strong and indescribable chemical/burning plastic smell so nauseating that it’s difficult to sleep with. We’re hoping this issue will resolve with a couple more washes of the pillow cases, but am worried the source is the stuffing itself.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
helped treat my sore neck
Color: White-cooling Basic, Size: Camping Pillow(Pack of 1)
This pillow — after dialing in the right amount of shredded foam — has greatly helped my sore neck. Initially, I had to remove some foam. Then I gradually added foam until it reached optimum comfort and support.
It is also CPAP-friendly — especially when I position my head near the pillow's edge. (I am a left-side sleeper.)
I like the travel size because I use a bulky hugging pillow to ease stress on my shoulder and elbow. That makes my side of the bed feel cramped if using a larger head pillow. A smaller pillow is easy to flip end-to-end in the middle of the night.
I have spent lots of money on pillows over the years, but this is the best I've ever had for relieving [1] neck pain and [2] CPAP mask seal problems. Very comfortable, supportive, and affordable.
I did not notice any unpleasant smell — and I am usually sensitive to that kind of thing.
Would highly recommend.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Love them!
Color: White-cooling Basic, Size: Queen(Pack of 2)
Love them! After 10 years with our MyPillows, they finally lost their fluff. The reviews I read of the MyPillows of today were not good; they didn’t have as much filling as they used to. These pillows remind me of how fluffy our new MyPillows were 10 years ago!! You sink right into them and can mush them however and they stay. These are way cheaper than the Coop and it’s the same concept; add or remove the filling as needed. The cooling side is a huge plus too! You won’t be disappointed with these pillows!
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Comfortable and stays cool
Color: White-cooling Basic, Size: Queen(Pack of 1)
Great pillow. When i opened it, i noticed a strange smell, i assumed its the smell of whatever they use to make the pillow stay cool. You have to fluff it for a good amount of time to make sure the cooling agent spreads well in the foam. Is what i assumed atleast. Its a perfect amount of softness for me. Pair it with some bamboo pillow cases and you got a good night of sleep
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Reviewed in the United States on May 9, 2026
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