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Samsung Galaxy Watch4 40mm Bluetooth Smart Watch, 3 Year Manufacturer Warranty, Black (UK Version)

Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice
£90.58
Operating system Wear OS
Memory storage capacity 16 GB
Special feature Sleep Monitor, Blood Pressure Monitor, ECG, GPS
Connectivity technology Wi-Fi
Wireless communication standard Bluetooth
Battery cell composition Lithium Ion
GPS Built-in GPS
Shape Round
Screen size 40 Millimetres
Brand Samsung

About this item

  • Get to know your body - Track your fitness progress with our first smartwatch that conveniently measures body composition.
  • Compete with friends and family - in a fun competition through a live message board. Challenges come with commemorative badges and a point system to make exercise fun, motivating and socially rewarding.
  • Fitness Tracking - Track your activities and fitness scores on your watch and phone. Count steps, check calories, and stay on the grid with GPS.
  • Blood Pressure & ECG - The Samsung BioActive Sensor measures ECG and blood pressure in real time. After initial calibration, the sensors quickly check your blood pressure.
  • Sleep Tracker - Detects and holistically analyses your sleep stages while you rest. Improved measuring options let you check your blood oxygen levels and snoring patterns.

Additional details

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Customer reviews

4.4 out of 5 stars
4.4 out of 5
511 global ratings

Customers say

Customers like the value, ease of use, appearance and accuracy of the wearable computer. For example, they mention it's excellent for the money, easy to set up and use with many options. That said some complain about the battery life and charger. Opinions are mixed on performance and quality.

AI-generated from the text of customer reviews

Select to learn more
ValueAppearanceEase of useAccuracyPerformanceQualityBattery lifeCharger
16 customers mention ‘Value’16 positive0 negative

Customers appreciate the value of the wearable computer. They say it's well worth the money and a great buy.

"...Other than that a great watch, worth the money." Read more

"...the need to charge frequently, but spares are readily available and inexpensive...." Read more

"A decent enough watch for the price. Battery charge lasts about 2½ days with normal use and sensors turned off when not exercising...." Read more

"Easy to set up, loads of useful settings, great price." Read more

15 customers mention ‘Appearance’15 positive0 negative

Customers are satisfied with the appearance of the wearable computer. They mention that it looks great, has an excellent display, and has plenty of backgrounds and designs. They also appreciate the comfortable fit and the bright screen. Overall, customers say that the device is a testament to Samsung engineering and design.

"...Works in sync with her mobileShe's very pleased with it and it looks good" Read more

"...In my own opinion I think that the watches appearance is effortlessly stylish and can blend in to almost any outfit...." Read more

"...Excellent display. You can set photos as your watch screen. Plenty of apps you can download.Gets your notifications too, which is amazing!..." Read more

"...There's plenty of data and info available on it, a good choice of watch faces and it's easy to read...." Read more

12 customers mention ‘Ease of use’12 positive0 negative

Customers find the wearable computer easy to use with many options. They say the set up was easy and the watch is stylish. They also mention that the watch faces are easy to read and the screen can switch between different screens.

"...She loves itShe got it all sorted and set up very easily. Works in sync with her mobileShe's very pleased with it and it looks good" Read more

"...Heart rate, steps, body composition, sleep tracking.. there's so much it can do.I personally wasn't a fan of the strap it comes with...." Read more

"Bought to replace a Fitbit. After a day of acclimatisation it was easy to use...." Read more

"The watch has large numerals which are easy to read.The watch operates from Bluetooth and is reliable...." Read more

10 customers mention ‘Accuracy’8 positive2 negative

Customers like the accuracy of the wearable computer. For example, they say the blood pressure monitor is accurate after calibration, the apps on the watch are fairly accurate, and the functions are good. That said, some mention that the watch has large numerals that are easy to read.

"...I love the step counting feature as I believe it to be fairly accurate and is cool to reach new milestones earned on the health app...." Read more

"The watch has large numerals which are easy to read.The watch operates from Bluetooth and is reliable...." Read more

"...BPM recording, steps registration, everything was more accurate. Not to mention the watch face system...." Read more

"...For running: GPS accuracy is also not great, it cuts corners and even dropped out for 10mins which meant I lost half of a run, which is a big no no...." Read more

33 customers mention ‘Performance’21 positive12 negative

Customers are mixed about the performance of the wearable computer. Some mention that it's a brilliant watch with all functionality in this price, and does everything well. They are impressed with the features and overall experience so far. However, others say that it didn't work for the task they bought it for, lags too much, and is unresponsive after opening few apps. They also say that the Android OS just kills it and the battery is tiny for that task and the user.

"...There's plenty of data and info available on it, a good choice of watch faces and it's easy to read...." Read more

"...Pretty disappointed that it did not work for the task I bought it for and had to return product ." Read more

"...When it has a charge. It works flawlessly for me.." Read more

"...I grabbed one of these while on offer and have been fairly impressed for the features and overall experience so far...." Read more

29 customers mention ‘Quality’19 positive10 negative

Customers are mixed about the quality of the wearable computer. Some mention it's a good watch, excellent product, and awesome, while others say it'll be returning as soon as possible, a waste of money, and rendered useless.

"...In conclusion, this watch is amazing for first time smart watch users as myself, and if you can grab this on a good deal you will be very very happy..." Read more

"...The watch operates from Bluetooth and is reliable. It will need recharging with the supplied charger." Read more

"...On a downside the battery lasts 24hrs. It is disgraceful. I have set it dark and removed some of the apps...." Read more

"watch is really great but battery is crap,you need to charge it everyday." Read more

53 customers mention ‘Battery life’8 positive45 negative

Customers are dissatisfied with the battery life of the wearable computer. They mention that it needs charging every 2 days, and the battery starts draining. Some say that the product is let down by terrible battery performance.

"...The only downside is that the battery life is very short, and I have to charge it every other day.Otherwise, I would have given it 5 stars." Read more

"...My sons watch is fine but my ones battery drains quickly. This is the only thing that dissappointed me...." Read more

"...As plenty of people have said, the battery is disgracefully bad: 24 hours and not quick to charge fully..." Read more

"watch is really great but battery is crap,you need to charge it everyday." Read more

9 customers mention ‘Charger’0 positive9 negative

Customers are dissatisfied with the charger of the wearable computer. They mention that the battery is awful, the charging time is awful and the device lags too much. Some say that the charger is faulty and Samsung replaced it at no charge. Some customers also say that it's time consuming getting everything uploaded onto the phone.

"...have said, the battery is disgracefully bad: 24 hours and not quick to charge fully..." Read more

"...It will need recharging with the supplied charger." Read more

"...1.5hrs from low 10 percent'sWorst still. It wont charge using any other charging pad...." Read more

"...The app is a bit hitty missy and is time consuming getting everything uploaded onto phone but overall good piece of equipment and nice watch." Read more

Great first time all rounder watch!
5 Stars
Great first time all rounder watch!
My first impression of the quality of the galaxy watch4 is that is extremely light weight, I sometimes forget I have it on and really have to think if it is actually there or not.The samsung health app aswell as the wearable app do a great job in allowing you to access the data gathered from the watch including the sleep tracking and heartrate monitoring.In my own opinion I think that the watches appearance is effortlessly stylish and can blend in to almost any outfit.Some features that this watch includes from the top of my head are,- heart rate monitoring. I recommend turning on the setting to allow for constant monitoring of heart rate at all times as this does not affect battery life at all and gives A LOT more data (viewable from the wearable app as well as on the watch itself)- Blood oxygen level monitoring. At first, for me, whenever I attempt to check my levels it seemed as if I was getting false results, such as below 90% but I believe that I was doing something wrong as it tracks blood oxygen during sleep and the reading from sleep look a lot more accurate.- Step counting. I love the step counting feature as I believe it to be fairly accurate and is cool to reach new milestones earned on the health app.The galaxy watch4 is, for the most part, very comfortable to wear. As I said before, I sometimes forget I even have it on.A lot of reviews mention battery life. In my experience, battery is great. I can go a full work day with constant heart rate monitoring, constant stress level monitoring, and still have around 50% battery remaining as long as I left my house on 100%. I believe this to be more than adequate so long as you aren't just constantly on the watch and just let it sit on your wrist.In conclusion, this watch is amazing for first time smart watch users as myself, and if you can grab this on a good deal you will be very very happy with the product.
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Top reviews from United Kingdom

A.M.R.A.M
5.0 out of 5 stars Battery life is short
Reviewed in the United Kingdom on 16 June 2024
Colour Name: BlackSize Name: BluetoothVerified Purchase
I love everything about this smart watch. The only downside is that the battery life is very short, and I have to charge it every other day.
Otherwise, I would have given it 5 stars.
3 people found this helpful
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Donna Goodson
5.0 out of 5 stars Looks good, works great
Reviewed in the United Kingdom on 1 June 2024
Colour Name: BlackSize Name: 4GVerified Purchase
Birthday present for my daughter who has wanted one for ages
She loves it
She got it all sorted and set up very easily. Works in sync with her mobile
She's very pleased with it and it looks good
One person found this helpful
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s s ulhasan
4.0 out of 5 stars Quality product
Reviewed in the United Kingdom on 19 June 2024
Colour Name: BlackSize Name: BluetoothVerified Purchase
I've been a Samsung user for nearly 15 years. I bought 2 watches ⌚️, one for my son and one for myself. My sons watch is fine but my ones battery drains quickly. This is the only thing that dissappointed me. Other than that a great watch, worth the money.
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Jacob
5.0 out of 5 stars Great first time all rounder watch!
Reviewed in the United Kingdom on 29 May 2024
Colour Name: BlackSize Name: BluetoothVerified Purchase
My first impression of the quality of the galaxy watch4 is that is extremely light weight, I sometimes forget I have it on and really have to think if it is actually there or not.

The samsung health app aswell as the wearable app do a great job in allowing you to access the data gathered from the watch including the sleep tracking and heartrate monitoring.

In my own opinion I think that the watches appearance is effortlessly stylish and can blend in to almost any outfit.

Some features that this watch includes from the top of my head are,
- heart rate monitoring. I recommend turning on the setting to allow for constant monitoring of heart rate at all times as this does not affect battery life at all and gives A LOT more data (viewable from the wearable app as well as on the watch itself)
- Blood oxygen level monitoring. At first, for me, whenever I attempt to check my levels it seemed as if I was getting false results, such as below 90% but I believe that I was doing something wrong as it tracks blood oxygen during sleep and the reading from sleep look a lot more accurate.
- Step counting. I love the step counting feature as I believe it to be fairly accurate and is cool to reach new milestones earned on the health app.

The galaxy watch4 is, for the most part, very comfortable to wear. As I said before, I sometimes forget I even have it on.

A lot of reviews mention battery life. In my experience, battery is great. I can go a full work day with constant heart rate monitoring, constant stress level monitoring, and still have around 50% battery remaining as long as I left my house on 100%. I believe this to be more than adequate so long as you aren't just constantly on the watch and just let it sit on your wrist.

In conclusion, this watch is amazing for first time smart watch users as myself, and if you can grab this on a good deal you will be very very happy with the product.
Customer image
Jacob
5.0 out of 5 stars Great first time all rounder watch!
Reviewed in the United Kingdom on 29 May 2024
My first impression of the quality of the galaxy watch4 is that is extremely light weight, I sometimes forget I have it on and really have to think if it is actually there or not.

The samsung health app aswell as the wearable app do a great job in allowing you to access the data gathered from the watch including the sleep tracking and heartrate monitoring.

In my own opinion I think that the watches appearance is effortlessly stylish and can blend in to almost any outfit.

Some features that this watch includes from the top of my head are,
- heart rate monitoring. I recommend turning on the setting to allow for constant monitoring of heart rate at all times as this does not affect battery life at all and gives A LOT more data (viewable from the wearable app as well as on the watch itself)
- Blood oxygen level monitoring. At first, for me, whenever I attempt to check my levels it seemed as if I was getting false results, such as below 90% but I believe that I was doing something wrong as it tracks blood oxygen during sleep and the reading from sleep look a lot more accurate.
- Step counting. I love the step counting feature as I believe it to be fairly accurate and is cool to reach new milestones earned on the health app.

The galaxy watch4 is, for the most part, very comfortable to wear. As I said before, I sometimes forget I even have it on.

A lot of reviews mention battery life. In my experience, battery is great. I can go a full work day with constant heart rate monitoring, constant stress level monitoring, and still have around 50% battery remaining as long as I left my house on 100%. I believe this to be more than adequate so long as you aren't just constantly on the watch and just let it sit on your wrist.

In conclusion, this watch is amazing for first time smart watch users as myself, and if you can grab this on a good deal you will be very very happy with the product.
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2 people found this helpful
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Charlie H.
5.0 out of 5 stars Does everything I need (and more).
Reviewed in the United Kingdom on 23 January 2024
Colour Name: BlackSize Name: BluetoothVerified Purchase
I finally chose to get a new fitness/smart watch after my old one broke.
This I'd such a good watch, considering its a few years old.
Heart rate, steps, body composition, sleep tracking.. there's so much it can do.
I personally wasn't a fan of the strap it comes with. It's wide, and actually really difficult to change. I bought a few cheap replacements and you can really make it fit your style.
Excellent display. You can set photos as your watch screen. Plenty of apps you can download.
Gets your notifications too, which is amazing! You can reply to texts and answer calls on the watch.
Sure there are newer models, but this does everything I wanted it to do.
13 people found this helpful
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Richard greenwood
5.0 out of 5 stars awesome, highly recommend even in 2024
Reviewed in the United Kingdom on 28 June 2024
Colour Name: BlackSize Name: BluetoothVerified Purchase
awesome, highly recommend even in 2024. Does all i want, basic messaging, fitness and golf.
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MacBett
3.0 out of 5 stars Mostly good except for the battery
Reviewed in the United Kingdom on 6 March 2024
Colour Name: BlackSize Name: BluetoothVerified Purchase
Bought to replace a Fitbit. After a day of acclimatisation it was easy to use. There's plenty of data and info available on it, a good choice of watch faces and it's easy to read. As plenty of people have said, the battery is disgracefully bad: 24 hours and not quick to charge fully (although 15 minutes of charge in the car will get it off the low battery warning and useable to track an hour's exercise). The single proprietary charger is a nuisance given the need to charge frequently, but spares are readily available and inexpensive. It syncs well with the app (my phone is not a Samsung, and I have had no sync issues, unlike the Fitbit). If stair counting matters to you, this is not the device for you: 20 flights of stairs (that the Fitbit would count regularly) show on this as 3. There's no web app or web based account where you can see data, and the editing facility for auto-recognised exercise isn't great but in general I would recommend it.
6 people found this helpful
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wayne thomas
5.0 out of 5 stars Watch
Reviewed in the United Kingdom on 5 July 2024
Colour Name: BlackSize Name: 4GVerified Purchase
This has all the features I need and it's waterproof it fits really nice graet watch
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