SKU: 25000901097
cybex sirona 2021

cybex sirona 2021 Cybex Sirona S 360 Rotational Convertible Car Seat with SensorSafe

$26.76 $29.73
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Description

cybex sirona 2021 Cybex Sirona S 360 Rotational Convertible Car Seat with SensorSafeThe Cybex Sirona S stands out as the only convertible car seat that features a 360 rotatable seat, providing exceptional ease of use without compromising safety. With its innovative load leg stability and advanced linear side impact protection, this car seat is designed to keep your little one safe during every journey. Moreover, the integrated SensorSafe technology enhances parental peace of mind by ensuring you receive instant updates about your

The Cybex Sirona S stands out as the only convertible car seat that features a 360° rotatable seat, providing exceptional ease of use without compromising safety. With its innovative load leg stability and advanced linear side impact protection, this car seat is designed to keep your little one safe during every journey. Moreover, the integrated SensorSafe™ technology enhances parental peace of mind by ensuring you receive instant updates about your child’s well-being directly to your mobile device.

Cybex Sirona S 360 Rotational Convertible Car Seat Features

The Cybex Sirona S is equipped with an EasyLock™ bar that simplifies the installation process, making it the only convertible car seat in North America to feature a one-time vehicle belt installation for both rear-facing and forward-facing modes. The load leg enhances stability by transferring crash energy to the vehicle’s floor, effectively reducing the risk of injury during an accident.

  • 360° Rotatable Seat: Easily rotate the seat to get your child in and out without straining your back.
  • Load Leg Stability: Significantly reduces crash forces and stabilizes the seat during an impact.
  • EasyLock™ Bar: Quick and secure installation with up to 4x less force needed.
  • SensorSafe™ Technology: Alerts you about your child’s safety via a mobile app.
  • 12-Position Recline: Adjust the seat to any of 12 positions, even with your child buckled in.
  • Linear Side Impact Protection (L.S.P.): Absorbs impact forces to enhance safety during side collisions.
  • Anti-Rebound Design: Minimizes rearward movement in the event of a crash.
  • Magnetic Buckle Holders: Simplifies getting your child in and out of the seat.

What Is SensorSafe?

SensorSafe technology is a groundbreaking feature that brings safety to the forefront. This smart chest clip sends alerts to your smartphone, notifying you if your child unbuckles themselves or if the temperature inside the car becomes too hot or too cold. This level of awareness is designed to help you focus on the road while ensuring your child is safe and secure.

Cybex Sirona S Rotational Convertible Car Seat Weight and Height Limits: What Age Is Cybex Sirona S 360 For?

Designed for children from 4 to 65 lbs and a height range of 17” to 49”, the Sirona S ensures that your child can remain in a rear-facing position for as long as possible, enhancing their safety. It’s essential to keep them rear-facing until they reach the maximum weight or height allowed by the car seat. For the Sirona S, the rear-facing limit is 50 lbs, while forward-facing can accommodate up to 65 lbs.

Cybex Sirona S 360 Rotational Convertible Car Seat Safety Ratings

Safety is paramount with the Cybex Sirona S. The linear side-impact protection system reduces the forces experienced during side-impact crashes by directing energy away from your child’s sensitive neck area. This innovative design, combined with the anti-rebound feature, contributes to its impressive safety ratings.

Cybex Sirona S 360 Rotational Convertible Car Seat Manual and Instructions for Installation

For optimal safety and performance, always refer to the Cybex Sirona S manual for installation instructions and guidelines on latch and tether limitations in various seating positions. The manual provides comprehensive guidance to ensure proper use and installation.

Cybex Sirona S 360 Rotational Convertible Car Seat Reviews: Why Parents Love It

Parents rave about the Cybex Sirona S for its exceptional safety features and user-friendly design. Many appreciate the 360° rotating seat, which makes loading and unloading their child effortless. The SensorSafe™ technology is particularly praised for providing peace of mind, allowing parents to stay informed about their child's status while driving.

Overall, the Cybex Sirona S 360 Rotational Convertible Car Seat with SensorSafe combines innovative safety features with user-friendly functionality, making it an excellent choice for parents who prioritize both convenience and protection.

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Shipping Notes
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  • Delivery to the USA:
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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]
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SKU: 25000901097

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4.1 ★★★★★
Based on 23 reviews
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Product Reviews
J
Verified Purchase
Jimmy D. Howerton
Port Orchard, US
★★★★★ 5
Need lots of connectivity + charging. EXCELLENT.
Color: Gray
Problems with my original USB hub required something better. This unit has allowed me to connect all my peripherals to my laptop and I haven't had any problems with the USB port reliability I was dealing with. I'm using two hubs in series and now everything is working perfectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
S
Verified Purchase
Stuart Nezin
Lake Worth, US
★★★★★ 5
Yes, I wish I'd bought this on Black Friday, but still no regrets
Color: Gray
If you use a lot of add-ons like I do you won't regret buying this hub. The number of connection PLUS high power charging ports works for me. Printer, scanner, mouse dongle, phone, tablet, external drive, flash key all connect with zero problems to my Win 11 laptop. Saves my laptop ports from wear and provides a central location for charging my stuff. Solid metal construction, touch switches for each port, even slots forSDd and micro sd cards makes great design and features. Had a decent usb 3 hub but this one SO much better, good value
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Reviewed in the United States on February 26, 2026
M
Verified Purchase
MMM
Grantham, US
★★★★★ 5
well made, nicely built, fast and everything fits firmly
Color: Gray
Sleek and well made, heavier than my old one, as it seems better built in every way. I love the flush power buttons, they don't get accidentally pushed in because of the firmness of the buttons, not hard, just not overly easy like some cheaper hubs. The color is nice looking, the lights are subtle but easily identify each port and the main thing, it's fast. My old USB hub was decidedly slow and often under-powered. It did not always work with some demanding devices. But as soon as I plugged this in, all my devices were recognized and worked correctly. This was a great buy.
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Reviewed in the United States on August 1, 2025
O
Verified Purchase
Olivia
West Palm Beach, US
★★★★★ 4
Had some questions and needed to test it, here's the verdict!
Color: Black
No pictures, but I wished to get this review out as soon as possible because I'm very happy with my purchase. My last USB hub from aother brand broke immediately as soon as I got it which is why I wanted to purchase this as an "upgrade" for the higher voltage and more port options. Firstly I really appreciate that they gave both a USB 3.0 to USB-C and a USB-C to USB-C cable for the power depending on what type of port you have on your computer. The extra cable is always appreciated. I had a bunch of questions stemming from other reviews so I tested them. When you press a button nearby any port, the light goes on. When you hold it, it goes off. When the light is on, it powered my external drive, and when I hold-pressed it off, the drive on my computer disappeared as it should when no power is going to it. I'm glad that works perfectly. Also, it takes 16 seconds to recognize my 8TB drive. It seems a tiny bit long, but not too long, I'm pretty patient. For the SD and Micro SD card slot, there is no on and off power buttons. But they DO work. This was important for me as it was one of the reasons I bought it. The quick charging also works as intended. Also, I wondered what size it was- it's 8.75in long, 2in width, and a measly 0.65in heightwise. Every cord included is slightly larger than 3ft so there should be no problems with connecting it, though maybe it's too many wires for some. One thing I was concerned about was that a reviewer said the ports were very tight, and they are. I thought I was gonna break the ports by connecting a USB, but thankfully it didn't break. I don't know how realiable that is over time, though I imagine because of the buttons, the idea is to connect them once and if you want to not use it, to simply press the button to turn them off. So I think I'll do that once I get all my USBs set into place. If it breaks any port in that process down the line, I'll update my review. And based on the manual, here are the speeds: USB 3.0 & USB C - Max 5GB/sec data speed, Max 5V/1.5A power SD and Micro SD Slots - Read 50-104MB/sec, Write 30-80MB/sec (Subject to memory card speed and computer USB ports) USB QC Ports - No speed or power given Total power supply: Output DC 12V/7.5A (Input AC 100V~240V / 50Hz~60Hz / 2A) The power supply is a big brick LOL. But I appreciate the power, thanks. It's very easy to use overall, I just plug something in, turn the light on, expect it to work and it does. Besides it taking great force to plug a USB in, everything else is exactly what I wanted. Glad I bought this. Edit, a month or two later: The USB ports all still are working, but I noticed some external drives don't have enough power to work, even with the 8V, so I'm docking a point. I should be able to plug at least one in with a few other things connected, but this makes it a little less functional for my usage.
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Reviewed in the United States on June 13, 2025
K
Verified Purchase
Kreg L.
Fort Morgan, US
★★★★★ 5
Just what I needed
Color: Black
Never given!give 5 stars. But, this got it because exceeded what I was expecting. Purchased because new computer slots were inconvenient and more new devices are using usb ports and having powered ports was essential. Have used for several months and keep finding more things needing it. It was more than I expected/needed at the time .But, was designed for growth I was not expecting. Getting excellent connections, speed, and reliability even though I’ve nearly doubled the devices I planned on using. To be clear the system I connected to is all about performance and top of the line hardware. I was a performance engineer in a previous position and am very picky with this system setup. I’ve tested the hardware several times tuning things and it’s never the bottleneck. The original purchase was intended as a short term fix when I needed something yesterday and as stated b4 it has earned a place in my permanent setup. Would buy again and would explore other offerings by manufacture.
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Reviewed in the United States on October 23, 2025

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