






⌚ Elevate your fitness game and style—because your wrist deserves the best!
The KEEPONFIT Smart Watch K53 is a versatile, IP67 waterproof fitness tracker compatible with Android and iPhone. Featuring over 100 sports modes, 24/7 heart rate and SpO2 monitoring, menstrual cycle tracking, Bluetooth calling, and customizable watch faces, it offers up to 7 days of battery life. Designed for both men and women, it blends advanced health monitoring with seamless connectivity and stylish personalization.









| ASIN | B0DDQ2L5XG |
| Additional Features | Activity Tracker, Alarm Clock, Notifications, Phone Call |
| Band Material Type | Silicone |
| Battery Average Life | 5 days |
| Battery Capacity | 240 Amp Hours |
| Battery Cell Type | Lithium Ion |
| Best Sellers Rank | #10,447 in Electronics ( See Top 100 in Electronics ) #287 in Smartwatches |
| Brand | KEEPONFIT |
| Built-In Media | Magnetic Charging Cable*1, Smart Watch*1, User Manual*1, Watch Bands*2 |
| Case Material Type | Silicone |
| Color | Gray |
| Communication Feature | Bluetooth |
| Compatible Devices | Android, iPhone |
| Compatible Phone Models | Android Devices, iOS Devices |
| Connectivity Technology | Bluetooth |
| Controller Type | touchscreen interface |
| Customer Reviews | 4.1 out of 5 stars 1,058 Reviews |
| Display Type | OLED |
| GPS Geotagging Functionality | GPS Via Smartphone |
| Human Interface Input | Touchscreen |
| Item Weight | 3.84 Ounces |
| Manufacturer | KEEPONFIT |
| Memory Storage Capacity | 128 MB |
| Metrics Measured | Heart Rate Monitor, Blood Oxygen Monitor |
| Model Name | K53-futi |
| Model Number | K35 Gray |
| Operating System | Android 4.4 and above, IOS9.0 and above |
| Resolution | 320 x 340 |
| Screen Size | 1.27 Inches |
| Shape | Round |
| Special Feature | Activity Tracker, Alarm Clock, Notifications, Phone Call |
| Style Name | Modern |
| Supported Application | Find My Phone, Fitness Tracker, Messages, Multisport Tracker, Music Player |
| Supported Satellite Navigation System | GPS |
| Target Audience | Men, Unisex Adults, Women |
| UPC | 768795474726 |
| Warranty Description | 1 Year Warranty |
| Warranty Type | Limited |
| Water Resistance Depth | 1 Meters |
| Water Resistance Level | Waterproof |
| Waterproof Rating | IP67 |
| Wearable Computer Type | Smart Watch |
| Wireless Communication Standard | Bluetooth |
| Wireless Compability | Bluetooth |
| Wireless Provider | Unlocked |
D**A
Great Smart Watch K53
After getting this K53 Smartwatch I needed a few weeks to process all the features before giving my review. I still didn't cover everything. It's my first smartwatch, so I'm reviewing as a first-time user of any smartwatch, with nothing else to compare it with. For starters, when I first tried to connect the smart watch Bluetooth with the GloryFit app on my phone, it wouldn't connect. After doing some research, I learned it's not the fault of the watch. It's a cell phone issue with my Pixel 7. It did finally connect. And when it finally connected, it provided the right date and time on the watch. That was a monumental moment for me. Yay! The GloryFit app is needed to set up your watch for turning on features, like monitoring your heart rate, blood oxygen, emotional stress, and more. My main focus was to first, have a watch. I haven't used a wristwatch in years. It's got many watch faces to choose from that you can find in the GloryFit app. There are a few on the watch itself. It gives you options on how long you want the phone to stay lit, for 5, 10, or 15 seconds before the screen turns black. You can also choose if you want it to light up when you raise your hand so you don't have to keep pressing the button. If you sleep with the watch on, you probably want to either turn off that option or lower the brightness, because it can wake you up. Lol. The other features that I've focused on is the steps counter, and being able to set goals for those steps; the ability to check my bpm, stress levels, mood, and sleep pattern, as well as check the weather are all a definite plus. There are so many training features to choose from as well. I've used aerobics, pace walking, outdoor walking, steps, and strengthening workouts, but there's so much more that can be put in the order of your choice by using the app so it shows in that order on the watch. During those workouts, it will monitor your heart, and for some include your steps. I'm hoping they might add a feature for counting how much water you drink. They do have an option to monitor if you've been sitting too long, to remind you to get up. I haven't figured that one out yet. I tried it, but I don't think I sit long enough for me to be notified. Lol. I played around with other features, just to see how they work. You'll need to adjust certain features with your Bluetooth and the app to make sure it works with the watch for example, if you want to be notified on your watch from your social media platform options, it can be set as a reminder. it also provides an alarm clock, timer, and stopwatch. You can also use the watch's Bluetooth for incoming or outgoing calls. In using these features, it was great. I turned off many of the features after trying them, so I could use it for my main purpose, but it's great to know I have access to them. There are still some features I haven't tried. I think that the only feature that doesn't seem to always work is when I raise my hand for the watch to light up. But overall, I'm enjoying this watch. I decided to have a little fun in creating a video mainly for anyone else who is getting a smartwatch for the first time.
E**L
AWESOME watch and even better Cx service!
I cant put into words how AWESOME this watch is! It comes with two bands and is perfect for small wrists like mine. It looks elegant and cute. Originally, my watch started failing so I contacted Cx support and without a doubt they issued a replacement watch. They are always responsive and eager to help! I love my watch! It also tracks my steps, heart rate, period cycle, and my sleep. You can also connect it to your phone and take phone calls. 10/10 recommend
B**7
Great smartwatch for on the go person.
The watch was very surprising to me, it was very light and easy to wear for several days at a time with a long battery life, with different apps being used. The step and activity counter were spot on. I wore it simultaneously with another smart watch and the results were very similar. I am a heavy sweater and the band did not bother my arm. I even switched are to see if the results would be different and there were not when doing similar activities. The user interface with the app was easy to use and to test that, I reset the watch and had my wife use it. Today the least, I have not gotten the watch back. She loves the different faces and colors& how light the watch is as she has a small wrist. Swimming did not affect the watch as it holds up well while submerged. For me, I like a heavier feeling watch, but it will works well for men who don’t care and want a fully interactive smartwatch with all the bells and whistles. Sleep app is on point with the other watch. This watch is a great choice at an even greater price. When the come out with a bigger more rugged version for the outdoorsmen I’m on it!!!!!!
S**Q
The battery lasts me a full week on 1 charge!
I wanted a watch that would look nice on my small wrists, be comfortable to wear, and from which I could make a call if needed. And tracking my steps and my sleep. This fits my wrists, with a nice size that doesn't look too large, and it is so lightweight and comfortable to wear that I forget I even have it on! Looks? It said the band was gray in the description. To me, it's a warmer tone, more like an oatmeal color, and I think it's perfect with the gold! I'm super happy with the fit and the look! It comes with 2 bands, each a little different in style and the way the band fits under itself or on top with the loop. I had missed that myself. I love the one that fits underneath on my wrist, like my Samsung watch did. I have yet to try the other! They are both the same color. It has a variety of watch faces to choose from, and I found what I liked. It connected to my Samsung phone easily, and the app is pretty simple. I've tested both making and receiving calls, and both work great! It has many different sports to choose from, but as I said, I only need something to track my steps, treadmill walks, and my sleep. It also reminds me to get up and move sometimes. It seems to be accurate. The only thing I've disliked so far is the tone of the ring or notification. It has a tinn sound. I know I'm a bit picky but I didn't care for that. So I turned off the sound. I deducted 1 star for that reason. The #1 most favorite part for me, besides the look, fit and comfort? The battery lasts me a week! I don't have to even think about charging it for a week, and it's so refreshing! I had a Samsung watch, which I loved, but I didn't love having to charge it every day! This watch was a great value on sale! All things considered, I think it's a great watch for someone who needs certain things from a smartwatch and has a limited budget. To only have to charge it 1x a week is amazing! Yet I don't call from it or use other features that others may use. I gave it 4 stars!
B**A
A Great Smart Watch!
This is a really nice watch for a very reasonable price. Before writing this review I played around with it for five days and tried out just about every function it has. They all work. All you need to do is give it all the permissions that it requests. There’s a page in the app that you download on your phone that requests permissions. I was initially concerned that allowing it to constantly run in the background of my phone would drain my battery, and the app said that was a possibiity, but I noticed no difference in my phone’s battery function. In fact, it used only 6% of the battery. Setting it up the first time was a little confusing. There was one screen that had a button that should have taken me to my phone’s settings and it didn’t work. I tapped the “ignore” button to get out of the screen and went to settings myself. The problem is that every phone’s settings are different. I have a Samsung S23. My husband has a Samsung S24. The settings are completely different. So it’s really impossible to provide instructions that will be accurate on every phone. One last tip is that when you get to the point where you’re setting up your profile (gender, height, weight, etc) the button you need to tap to proceed to the next screen is in the center at the bottom of the screen. It’s very light. If you don’t know it’s there, you won’t see it. You are also given the option to set it up for metric or imperial measurements. Once you get through the initial setup, everything works great. Like I said in the first paragraph, just give it all the permissions it wants and it will work great for you. Now the fun stuff. I guess I’ll start with the appearance. It came in a very attractive box which would make for a very nice Christmas gift. The watch has 440 watch faces! I took screenshots from the app of some of them to give you an idea of what’s available. With that many watch faces you have to be able to find something you like. You can also customize watch faces if you like. It comes with two different styles of watchband. Both are silicone, one has a normal watchband buckle and the other allows you to tuck the excess band between the watchband and your arm. The band size is 20mm so if you want to purchase different watchbands you can. Regarding the functionality, first I want to remind you that it’s connected to your phone via bluetooth so you have to keep your phone near your watch, otherwise the connection will be broken. If that happens, the watch vibrates and the dial displays a message indicating that you’ve lost the connection. As soon as you are back within range of your phone it automatically reconnects. I found that notification feature to be useful in preventing me from leaving my house without my phone. I’ve done that a few times in the past and it’s very inconvenient. This watch will make sure you don’t do that. The watch has so many functions that there’s no way I can describe, or even list, all of them. I took a lot of pictures, though, so you can see for yourself what functions are available and what they look like on the watch face and your phone. I will discuss a few, though. You can set it up to receive all your text messages as well as notifications from social media apps like FB, Messenger, WhatsApp, Nextdoor and more. Other apps you can receive notifications from include Instagram, YouTube, Gmail, Snapchat, X and Pinterest. That list is probably not all inclusive. I tested the text message function as well as the four social media apps I just mentioned and the watch did not miss a single notification. 100% accuracy for five days! You can also answer your phone using the watch. I had my husband call me and I was able to answer the phone and speak to him through the watch while my phone was in my pocket. He said my voice came across crystal clear! I was also able to make phone calls using the watch. I didn’t import my contacts because I have a lot of them. I just dialed my husband because I know his number by heart. The speaker on the watch works very well. I set seven different alarms just to test how many it would allow me to set and I can safely say you can set at least seven to go off every day. I got bored after that and didn’t try to set up anymore alarms. I doubt anyone would need to set up more. The alarm goes off whether you are wearing the watch or charging it and it’s loud enough for you to hear. It’s a really nice function. The sleep monitoring function is my favorite. It shows on the watch and your phone. I’ve included photos of both. It also records your heart rate, blood oxygen record, stress record, emotion record, steps, calories burned and kilometers covered. It can be personalized to record for may different kinds of exercises including but not limited to pushups, situps, gymnastics, tennis, walking and running. It also provides weather reports as well as two different games. Like any new device you’ll have to play around with it to get used to it and to discover all the functionality it has to offer. You can swipe up, down, right and left to get to different menus. I’m very happy with this watch. It has so much more functionality that watches that cost much more and it’s even waterproof. You can’t go wrong with this watch. I really think you’ll love it.
S**L
Excellent smartwatch at a great price
I’ve been using this smartwatch for a while and I’m really impressed with the overall experience. The design looks stylish, and is comfortable enough to wear all day, whether at work or during workouts. The display is bright and clear, so I can easily check notifications and fitness stats even outdoors. One of the biggest positives is the battery life — it easily lasts several days on a single charge, even with daily fitness tracking and notifications turned on. The health and activity tracking features are accurate and helpful, especially for monitoring heart rate, sleep, and workouts. It also syncs smoothly with my phone. Overall, this smartwatch is a great balance between style, functionality, and performance. This smartwatch is absolutely worth the price and considering the cost, it delivers performance and features you’d usually expect from higher-end models, making it excellent value for money.
M**R
Works well, looks good, and comfortable!
Why did you pick this product vs others?: Style and good reviews Update: the software is abysmal. Or had too many faults to list. The main things that frustrate me are that it constantly disconnects from Bluetooth or it won't let me use Bluetooth headphones (forces me to use watch speaker even if I hand select headphones, or it only works if I turn off my watch Bluetooth... But what if I'm exercising and want my watch tracking the workout??) Also you can't toggle to anything else if your in a workout. Not even to see the time! And it won't let you select your contacts to sync for calls. It only gives your a few choices from your phone list. I only got half my children on my watch and there's no way to add more. What's that all about? Lastly, it won't track sleep during the day. I work several nights a week. You can't adjust anything on the watch to track daytime sleep. Too bad because the watch is pretty and very comfortable.
K**O
Amazing Lightweight Smartwatch Packed with Features
After using this smartwatch for a few weeks, I’m genuinely impressed with its performance. It delivers exactly what it promises: a feature-rich experience wrapped in a sleek, lightweight design. A major highlight of this watch is its ultra-lightweight design. Weighing just a few grams, it’s hardly noticeable on my wrist, making it ideal for all-day wear. The build quality is excellent, featuring a smooth, minimalist design that looks premium and feels comfortable, whether I’m working out or sleeping. The strap is both soft and durable, with easy adjustability to fit any wrist size comfortably. The display is vibrant and sharp, with impressive brightness that holds up even in direct sunlight. It’s highly responsive to touch, and the intuitive interface makes navigating functions and apps a breeze. Customizable watch face options allow for easy personalization, whether you’re looking for a fitness-focused setup, a professional look, or a casual style. This watch is truly loaded with features. Most impressive for me is the health tracking features that make it ideal for fitness enthusiasts. It includes continuous heart rate monitoring, blood oxygen level tracking, and stress management insights, offering a well-rounded picture of daily wellness. The step counter and calorie tracker are accurate, and with multiple workout modes—from running to yoga—it’s tailored for various fitness activities. These features make it a reliable companion for tracking and improving health. Not only that, it syncs seamlessly with both iOS and Android devices. Notifications come through quickly, allowing me to respond to messages, emails, and even some social media notifications without taking out my phone. The watch also has music control, so I can change tracks without interrupting my run or workout. One of the other impressive features is its battery life. With moderate usage, it easily lasts up to a week on a single charge. I never really had to worry about its battery running out as it can be charge right back up so quickly. The accompanying app is well-designed and provides detailed insights into fitness and health metrics. It allows for some customization of the watch's functionality, which enhances the user experience. The app’s interface is user-friendly and provides useful data breakdowns, from sleep stages to heart rate trends. Overall, this smart watch delivers exceptional value. It combines style, functionality, and comfort in a way that makes it perfect for both casual users and fitness enthusiasts. While without limitations, they’re outweighed by the comprehensive feature set and excellent battery life. If you’re looking for a versatile, reliable, and lightweight smartwatch, this one is definitely a top contender.
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2 months ago
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