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⌚ Elevate your wellness game—because your wrist deserves the smartest coach.
The Samsung Galaxy Watch 4 (40mm) is a renewed smartwatch featuring a vibrant AMOLED display, advanced ECG heart monitoring, and built-in GPS. Designed for fitness enthusiasts and health-conscious professionals, it tracks sleep, SpO2, and six popular workouts automatically. With Bluetooth and LTE connectivity, fall detection, and a water-resistant aluminum case, it blends cutting-edge tech with everyday durability. Perfect for those who demand precision health insights and seamless smartphone integration on their wrist.
| ASIN | B09HQ2GWDD |
| Additional Features | GPS |
| Age Range Description | Adult |
| Band Color | black |
| Band Length | 220 Millimeters |
| Band Material Type | Silicone |
| Battery Average Life | 40 Hours |
| Battery Capacity | 247 Milliamp Hours |
| Battery Cell Type | Lithium Ion |
| Best Sellers Rank | #2,441 in Amazon Renewed ( See Top 100 in Amazon Renewed ) #96 in Men's Smartwatches #186 in Renewed Smartwatches #827 in Smartwatches |
| Brand | Samsung |
| Built-In Media | Band, Charger, Watch |
| Case Material Type | Aluminum |
| Cellular Technology | LTE |
| Closure Type | Buckle |
| Color | Black |
| Communication Feature | Bluetooth |
| Compatible Devices | Smartphone |
| Compatible Phone Models | Android smartphones |
| Connectivity Technology | Bluetooth |
| Controller Type | Android |
| Customer Reviews | 4.1 out of 5 stars 1,465 Reviews |
| Display Type | AMOLED |
| GPS Geotagging Functionality | True |
| Human Interface Input | Touchscreen |
| Item Dimensions | 7 x 4 x 5 inches |
| Item Weight | 25.9 Grams |
| Manufacturer | Samsung |
| Memory Storage Capacity | 1.5 GB |
| Metrics Measured | Sleep Duration,Step Count,Distance,Heart Rate,Calories Burned,Breath Rate,Blood Pressure |
| Model Name | galaxy |
| Model Number | Galaxy Watch4 |
| Operating System | Wear OS Powered by Samsung |
| RAM Memory Installed | 1.5 GB |
| Resolution | 396 x 396 |
| Screen Size | 40 Millimeters |
| Shape | Heart,Irregular |
| Sim Card Size | eSIM |
| Special Feature | GPS |
| Sport Type | Fitness, Running |
| Style Name | Modern |
| Supported Application | GPS, Sleep Monitor |
| Supported Satellite Navigation System | GPS |
| Target Audience | Unisex Adult |
| UPC | 702338536113 686457982917 656942418658 |
| Warranty Description | 90 days limited warranty |
| Warranty Type | Limited |
| Water Resistance Depth | 50 Meters |
| Water Resistance Level | Water Resistant |
| Waterproof Rating | IP68 |
| Wearable Computer Type | Smart Watch |
| Wireless Communication Standard | Bluetooth |
| Wireless Compability | Bluetooth |
| Wireless Provider | Unlocked |
A**R
Good but large smart watch
First off, the seller I got this from was great. Arrived on time. Watch didn't have a single scuff or smudge on it. Literally like new. Box is generic, but everything inside looks original including the charger and the manuals. The battery was a little low (56%) when I got it, so I gave it a charge before set up and it was full in no time. Watch itself is great. Easy set up as long as you follow the directions and use the app. Picked a simple watch face and called it good. The main complaint I saw about this watch is the battery life. I read up before getting it and adjusted settings right off the bat. I don't keep the face on all the time (1. For battery life and 2. Some users had screen burn) I don't care much for the health things, so I have all preferences like the bpm monitor set to manual so I use them as I see fit instead of them either going continuously or every 10 minutes. If you have bad eyesight like me, use the large font setting And for the love of everything, download the Gboard app. Like literally right out of the box past set up, get it. Otherwise you have to use T9 and text like it's 2000 again. The only downside (for me) is I have tiny wrists and the standard band is way too large. There are large gaps on either side. This isn't really a downside, I just had to spend a little extra on a new band. No biggie. Over all, great watch. I may just get my partner one too. (It now has a walkie-talkie app!)
T**T
Good smartwatch
I got this watch because of its features. I recently had heart surgery to replace an Aortic valve and I had Afib too which was caused by the bad valve. With this watch I can do an ECG and check to make sure I'm not in Afib, which my Doctor checks also, and it gives me some reassurance, I know it's not medical grade but I feel good that I can check it too. I like how it keeps up with my steps, sleep, heart beats and all of the other things too. I think it's a real good watch, just a little big though and the battery life could be better.
M**O
Features watch provides
Love it. I bought this watch to count my steps but I find that I am enjoying other features it provides. Notifications of emails, calls and text messages when I'm not carrying my phone at work. I'm not much of a techy, but, i love this watch.
A**R
Love it so far!
My samsung watch looks and works good. The band looks and feels new, very comfortable. I think it may have had some grime left in the corners of the screen edge. But otherwise looks new. No blemishes or scratches. 40mm. Has great features like sleep tracking and heart rate and activity monitoring. I charge mine for under 30 minutes in the morning and the evening. Battery life seems to depleate quickly. Amazing watch for the price. (Refurbished)
S**W
REFURB SCAM
Purchased a refurbished watch in excellent condition to replace the Active2 that I'd had for years. The watch seemed to work great at first. But just after the 90 return window it started having issues charging. It would show low battery after only 10 hours. Since I have another smart watch I switch this one out with, so I can monitor sleep, it didn't seem like a big deal. Then it started randomly powering off during the day and when I'd get it back on the charger it would show that some battery life was still remaining and I could turn it back on. After a few week though, it stopped even doing that. Now it will start to load the intro screen and freeze. I did troubleshooting with Samsung and they recommended I contact the seller. I messaged the seller and have yet to get any response. This was a crappy refurbishment that was patched for just long enough for the buyer to not be able to return.
R**S
Great
As advertised. Works great. Holds charge for about a day. Simple to connect ,
S**S
Great Watch. Charging and Battery life suck though
I love all the features this watch has to offer. It has so many way to customize it, and it does everything the average Fitbit does and more. It's not a bad price either. My biggest qualm with it is charging it. The magnet on the charger isnt very strong and doesn't hold the watch very well making it easy to bump it and stop the charge, or if you don't place it just right it won't charge at all. Another thing to mention is that you have to use a wall charger that only outputs 1 amp. Anything higher and the watch will freak out. I bought a refurbished watch and it didn't come with a wall charger or an instruction manual or anything so it took a lot of research to figure that out. Also the battery life is terrible. If you have the constant heart rate monitor and the raise wrist to wake feature enabled the battery dies within 16 hours, so you have to charge it every night which means you can't really use the sleep monitoring functions. Other than that the watch is great. I'd recommend doing some research though and if there is a later model with a better battery life, go for that one.
R**S
Love my samsung watch
Long battery life, no damages after being in water without waterproof mode on, all apps and buttons function well, brightness is adjustable to comfort of the eyes, its literally a phone on your wrist, fits perfect with all my outfits and I can use to track my steps along with be in the know about my health and monitor my stress levels. Wrist bands are easy to change
V**A
Excelente!!
Es una pasada este reloj!! Si bien la batería no dura mucho como una Smart band con cargarlo mientras te bañas es más que suficiente, me llegó impecable el reloj y después de meses de uso no he tenido problemas, estoy muy contenta con mi compra
S**L
Excelente compra
Me encantó , llego bien protegido, llego en excelente estado y es 100% original , lo recomiendo mucho
D**A
Producto defectuoso
Horrible, llego con un cargador pirata, la batería dañada, prendía y se apagaba el reloj. Lo devolví
E**Z
Muy buen reloj
El reloj en si me gustó mucho, es muy ligero con una muy buena Pantalla, viene con wear OS y se actualiza apenas lo sacas de la caja. Lo único cómo en todos los smartwatch de este tipo es la bateria, apenas le sacarás día y medio como mucho de ahí en fuera es de lo mejor del mercado. Para mi mala suerte no es compatible con mi celular ( un realme gt) por eso tuve q devolverlo, no tuve problema con eso! Amazon muy bien en ese aspecto
E**A
J
Cumple con lo q dice
Trustpilot
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