






⌚ Stay ahead, stay connected — your all-in-one smart fitness companion!
The KEEPONFIT Smart Watch features a vibrant 1.85-inch HD touchscreen housed in a sleek aluminum case, offering over 100 sports modes and advanced health monitoring including heart rate, SpO2, sleep, and stress tracking. With Alexa built-in, it enables hands-free calls, notifications, and voice assistant control. Its IP68 waterproof rating and 7-day battery life make it perfect for professionals balancing fitness and connectivity seamlessly across iOS and Android devices.












| ASIN | B0CS4TG3G3 |
| Additional Features | Aluminum alloy case, Answer/Make calls, Notifications, 1.85" HD Touch screen, Alexa Built-in, activate phone voice assistant, iOS/Android Compatible, IP68 Waterproof/100 Sports Modes/Heart Rate/SpO2/Stress/Sleep Monitor, breathing training, weather, alarm, timer, stopwatch, flashlight, calendar, calculator, games, menstrual cycle tracker, sedentary and drink water reminder, music control, remote c… |
| Age Range Description | Adult |
| Band Color | Black |
| Band Material Type | Silicone |
| Battery Average Life | 7 days |
| Battery Capacity | 300 Milliamp Hours |
| Battery Cell Type | Lithium Ion |
| Battery Charge Time | 2.5 Hours |
| Battery Power | 300 Milliamp Hours |
| Best Sellers Rank | #42,514 in Electronics ( See Top 100 in Electronics ) #873 in Smartwatches |
| Brand | KEEPONFIT |
| Built-In Media | 1* Magnetic charging cable, 1* Manual, 1* Smart watch |
| Case Material Type | Aluminum |
| Clasp Type | Buckle |
| Closure Type | Buckle |
| Color | Black |
| Communication Feature | True |
| Compatible Devices | Smartphone |
| Compatible Phone Models | [Most smartphones with iOS 9.0+ or Android 6.0+] |
| Connectivity Technology | Bluetooth |
| Controller Type | Amazon Alexa |
| Customer Reviews | 4.4 out of 5 stars 854 Reviews |
| Display Type | LCD |
| GPS Geotagging Functionality | No GPS |
| Human Interface Input | Touchscreen |
| Item Dimensions | 10.17 x 1.48 x 0.47 inches |
| Item Height | 11.98 millimeters |
| Manufacturer | KEEPONFIT |
| Memory Storage Capacity | 0.1 MB |
| Metrics Measured | Heart Rate Monitor, Sleep Duration, Blood Oxygen Monitor |
| Model Name | IDW21 |
| Model Number | IDW21 |
| Operating System | Android Wear |
| Resolution | 240 x 280 |
| Screen Size | 1.85 Inches |
| Shape | Rectangular |
| Sim Card Size | eSIM |
| Special Feature | Aluminum alloy case, Answer/Make calls, Notifications, 1.85" HD Touch screen, Alexa Built-in, activate phone voice assistant, iOS/Android Compatible, IP68 Waterproof/100 Sports Modes/Heart Rate/SpO2/Stress/Sleep Monitor, breathing training, weather, alarm, timer, stopwatch, flashlight, calendar, calculator, games, menstrual cycle tracker, sedentary and drink water reminder, music control, remote control to take photos on your phone etc. Special Feature Aluminum alloy case, Answer/Make calls, Notifications, 1.85" HD Touch screen, Alexa Built-in, activate phone voice assistant, iOS/Android Compatible, IP68 Waterproof/100 Sports Modes/Heart Rate/SpO2/Stress/Sleep Monitor, breathing training, weather, alarm, timer, stopwatch, flashlight, calendar, calculator, games, menstrual cycle tracker, sedentary and drink water reminder, music control, remote control to take photos on your phone etc. See more |
| Sport Type | Hiking, Climbing, Basketball, Yoga |
| Style Name | Casual |
| Supported Application | Fitness Tracker |
| Target Audience | Unisex Adults |
| Warranty Description | 1 year manufacturer |
| Warranty Type | Limited |
| Water Resistance Depth | 1.5 Meters |
| Water Resistance Level | Waterproof |
| Waterproof Rating | IPX7 |
| Wearable Computer Type | Smart Watch |
| Wireless Communication Standard | Bluetooth |
| Wireless Compability | Bluetooth |
C**J
This Smart watch is amazing - awesome value, terrific battery life and full of features
I purchased this Smart Watch when my expensive Samsung Watch Active started dying - it could not even make it through one day without a charge. I have been amazed at how good this smart watch is - I like it better then my old Samung ! Key things I love: 1) Amazing Battery Life: I just went overseas on travel for 10 days, the battery still had about 30% remaining when I returned, truly amazing 2) Alexa: I love this feature (something I did not have on my Samsung watch). I use my KeepOnFit watch to kick off Alexa routines that I have written (mostly to control music), it works great! 3) Counting Steps and heartbeat: The watch does a great job, I have compared it to my wife's expensive smartwatch to confirm that it's very accurate! 4) Lightweight: The watch feels lighter on my wrist vs the Samsung 5) Integration with my Samsung S24 Ultra phone has been outstanding 6) Camera Control: I use the watch to start / stop video's on my smart phone, it works great - this is yet another capability that I did NOT have on my Samsung watch 7) Reliability: I've been using this watch for 6 months now, it still looks and works terrific. 8) Custom Watch faces: I have found a lot of watch face that I like, some are free and others are very low cost. I feel their selection of watch faces is superior to the offerings I had on my Samsung Watch Active. 9) Ability to answer phone calls on my watch (like Dick Tracey - for those out there who are older), this is a nice feature that I did not have on my Samsung 10) Customer service: The company seems great, they are very responsive to any question you may have about the watch. Do not hesistate to purchase this watch, it is a TERRIFIC value, and is amazingly high quality - don't let the very low price scare you away, it's a great watch! I highly recommend, in fact I am getting one for my wife!
N**0
Great Watch at a Great Price
My 13 yo son discovered the Keeponfit Smartwatch while searching for a reliable yet affordable watch packed with features similar to a smartphone. He sent me a link, and I purchased the sleek black model for him. It arrived in a couple days, and he set it up right away. Setting up the watch was a breeze, thanks to its user-friendly interface and straightforward instructions. What truly impressed me, however, was the exceptional customer service provided by Keeponfit. When I had a query about the device's features, their support team responded promptly and went above and beyond to assist me. Not only did they resolve my question, but they also offered me an extended warranty without any hassle—a gesture that reinforced my confidence in their commitment to customer satisfaction. From what we have seen so far, the watch has an impressive array of tracking capabilities that rival those found in high-end devices. Whether it's monitoring his daily steps, heart rate during workouts, or even his sleep patterns, the Keeponfit Smartwatch delivers detailed info through its intuitive app. My son especially loves how seamlessly it syncs with his smartphone, ensuring he never misses a notification or important update. Overall, the Keeponfit Smartwatch has exceeded our expectations. It's not just a timepiece; it's become an indispensable companion for my son, helping him stay organized, motivated, and connected in his daily activities. For any parent seeking a smart investment in their child's health and technology education, I wholeheartedly recommend considering the Keeponfit Smartwatch—it's a gift that keeps on giving.
J**K
Great smart watch with multiple functions and at a extremely reasonable price!
I bought this watch to link with my Samsung Galaxy and the setup was effortless! The entire set-up between the watch and my phone only took a few minutes and I was up and running, literally out for a jog, within 5 mins of unboxing. I was worried about the construction of the watch, but after wearing it to jog and workout, I appreciate the light weight and fit. Unlike other watches, the band sizing notches that fit better for my wrist. In the past, smart watches are limited on the notches and have been loose on my wrist, this one had a snug fit and didn’t “slide” around my wrist. I’ve made and received several calls while doing activities and the sound quality was good from my side, only issue was the person on the other end said the background noise sometime made it hard to hear, but I would attribute that to the setting I was in and not the watch. This watch features (music control, calculator, camera, etc.) are easy to use and the ability to change faces is a nice feature. Hoping they release other faces in the future! The full charge has lasted all day, and when I take it off at night, I’m still over 50% charged or less if I've been playing music through it for several hours. For the price and the ease of use, I would recommend getting this watch if you are not looking to spend an exorbitant amount on a name brand smart watch.
S**S
Watch review
This watch was bought for my boyfriend as a random gift. I didn't want to spend too much money so I had low expectations. So far the watch has exceeded expectations. It has a lot of health applications that coordinate with an app you keep on your phone to keep track of various personal health stats. I don't know how accurate they are but my BF says it seemed to adjust to his heart rate as expected while running on a treadmill, so I think we can assume it's accurate on that count. Sometimes it seems to disconnect Bluetooth randomly because he doesn't get all his text messages sent through. All in all Id say it's a good deal. It offers a lot of convenience for a low price point.
S**H
Way Better than Fitbit!!
I received my Keeponfit Smart watch a couple weeks ago and I couldn't be happier with it!! My old fitness tracker watch fell apart after a couple years and it was too expensive to replace my original Fitbit. So I decided to try the Keeponfit watch because it had great reviews and a even better price. It exceeded my expectations! I'm a professional dog groomer and the selling point for me was that it is completely waterproof!! I can also answer calls and see text messages from my clients!! So I don't miss any messages! When I want to turn that feature off, I can simply put it on don't disturb at night and sleep peacefully while it tracks my sleep! I also have a alarm set on it to wake me up in the morning! This watch does it all and has been motivating me to walk everyday! It even recognizes that my dog and I are on a walk and I can simply track my exercise! This watch has so many features and it's simple to use! The company also has a extended warranty if something we're to go wrong with the watch, even if it was too late to return or replace it on Amazon! Best of all this watch was VERY reasonably priced!! I know what I'm getting my family for Christmas gifts this year!! Don't pass this fitness watch up! You won't regret it!!
M**S
Quality Smart Watch Going Above and Beyond My Expectations
As a 78 year old retired physician, I was shopping for a simple watch with a large, bright, accurate heart rate monitor. After 3 days of use, I've found that this displays my heart rate clearly and flawlessly. It also boggles my senior mind with how much more it does! I received the watch overnight, installed the app on my I-phone and sync'd it to the watch with ease. The band is comfortable without the need to overtighten for a reliable pulse and O2 sat readout. While the watch came loaded with 20 exercise programs, there is a library of every imaginable activity on the phone app. These can be sync'd onto the watch after returning one of its preloaded programs to the library. Once I told Alexa "start Pilates", I was easily able to check my heart rate during any phase or position while performing challenging routines. VO2 max, calories burned, a graph of a continuous heart rate (appeared the next day), and other relevant data (excluding O2 sat) are seen on the app and summarized on the watch. All seemed to approximate values that I expected. At rest and on the treadmill, my carotid pulse was spot on with the watch readout. Since I already stream I-phone calls and music through my hearing aids, there was no need for me to use the watch for this. Other watch features noted: O2 sat readouts function, though there is no way to obtain continuous readouts as I could for heart rate during exercise; the watch "learned" to generate shortcuts for functions I used frequently, accessed by swiping right on the watch face and tapping to activate; other functions, such as finding my i-phone and turning on power saving are accessed with a down swipe; swiping left give access to all apps; the battery is similar to Apple watch (300 milliamp hours); the sleep monitoring app generates interesting sleep quality information that I intend to correlate with the data stored on the chip of my c-pap machine in the future whenever I have a rare sleep apnea episode. !!!!BOTTOM LINE Though I never had one, I suspect this watch looks, feels, and behaves like an Apple watch and is several fold better than the more expensive Fit Bit I owned a year ago. Now that I have this, there is no reason for me to purchase either one of those.
S**A
"Great watch,Great Price, Great Features "
The IDW21 Smart Watch by Keeponfit is an excellent choice for those seeking a budget-friendly wearable that doesn’t compromise on features. Despite its affordable price, this smartwatch competes admirably with more expensive models. Setup was a breeze when I paired it with my iPhone. The lightweight design and snug fit make it ideal for workouts. Notably, the heart rate monitor and text message notifications functioned reliably, enhancing its practicality. What truly impressed me was the extensive feature set. From music control to customizable watch faces, this smartwatch delivers beyond expectations. Additionally, the battery life easily lasts all day, ensuring uninterrupted usage. In summary, the IDW21 Smart Watch exceeded my expectations, providing great value for its price. I wholeheartedly recommend it to anyone in search of a quality smartwatch without straining their wallet.
W**2
This Smart Watch is My "Go Go Gadget" Everything!
I’m absolutely in love with my new KEEPONFIT smartwatch! It’s got more features than Inspector Gadget's hat! 😊 It really feels like I’ve got my own little helpful robot friend on my wrist—just like Penny from the Inspector Gadget show! This piece of wearable tech tracks my daily steps, calories burned, and even monitors my sleep quality, which I find fascinating. The water reminders and sedentary alerts are exactly what I need to stay on track. Trust me, you don’t want to unconsciously sit at your desk for too long! It came 98% charged out of the box, and after a week of use, I’ve only needed to charge it every two days or so. One of my favorite features is the customizable watch faces on the VeryFit app. There are so many gorgeous options that I find myself switching them up throughout the day! The strap is super soft and comfortable, very reminiscent of an Apple Watch, and I never worry about getting it wet. Plus, being able to control my music right from my wrist is a nice bonus. The guided breathing exercises, complete with soundtracks, are perfect for finding my Zen—whether you choose the free or paid options. Love it! The "find my phone" feature is incredibly handy, as I’m always misplacing my phone around the house. The built-in flashlight has also come in handy more than a few times when I’m digging through my purse in the dark! I even found myself playing the built-in games while waiting at the dentist’s office. This smartwatch feels high-end without the high-end price. It’s helped me stay motivated, focus on my health goals, and brought a bit of extra joy into my day. Plus, their customer support is amazing—super friendly and helpful whenever I’ve had questions. I researched a lot of smartwatches and tried another brand before finding this one, and I’m so happy I got this one! There are still many more features to explore, and I’m excited to keep learning as I go!
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