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⏲️ Own your workout rhythm, never miss a beat!
The Gymboss Interval Timer and Stopwatch is a compact, durable training companion designed for precision interval timing from 2 seconds up to 99 minutes. Featuring auto-repeat for up to 99 cycles, dual chime and vibration alerts, and a secure removable belt clip, it’s perfect for HIIT, CrossFit, running, and more. Powered by a single AAA battery and sweat-resistant, it fits seamlessly into any intense fitness routine.


| ASIN | B00CO8HO6O |
| Battery Type | AAA |
| Best Sellers Rank | #10,480 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #8 in Stopwatches #545 in Strength Training Equipment |
| Brand | Gymboss |
| Brand Name | Gymboss |
| Color | Black / Blue |
| Customer Reviews | 4.5 out of 5 stars 5,580 Reviews |
| Global Trade Identification Number | 00729440196028 |
| Item Dimensions D x W x H | 0.55"D x 2.25"W x 1.75"H |
| Item Weight | 35 Grams |
| Manufacturer | Gymboss |
| Manufacturer Part Number | BLACKBU |
| Material | Plastic Acrylonitrile Butadiene Styrene |
| Material Type | Plastic Acrylonitrile Butadiene Styrene |
| Model Number | BLACKBU |
| Number of settings | 3 |
| Product Dimensions | 0.55"D x 2.25"W x 1.75"H |
| Screen Size | 2.25 Inches |
| Smart Home Compatibility | Not Smart Home Compatible |
| UPC | 729440196028 885388564647 784427583901 |
| Unit Count | 1.0 Count |
R**I
Nice product
Easy set up and works nicely
J**F
A Solid timer
This timer does what's expected and gets the job done. I clip it to the back for my hat and do my workout
T**.
Good intervals timer for running
A running friend had this timer & loved it so I purchased the same. Easy to use & change intervals. The quiet beep is sometimes hard to hear if there is loud traffic but you can feel the vibrate or use loud beep. My only complaint is that on long marathon training runs with shorter intervals, it only allows 99& it stopped well before my run completed. It was easy enough to restart; not a dealbreaker. Would recommend.
D**.
Great Timer which Revitalized My Workout! A Real Motivator.
I've only had this a couple of weeks but absolutely love this. I've nick named it "The Motivator" I've been walking, jogging and doing push -ups for about 5 years now. I'm 59 years old and am very routine oriented. I've read about interval training and have always wanted to do sprints and walk but have had some concern and hesitation. Although I do not have any knee problems I just didn't know if my body could handle it. Anyway a few weeks ago I decided to try it. So when at the park I had no time keeper but tried to count 15 seconds while sprinting and 1 minute rest and repeated. After this one lap of that I walked a few laps. I felt so good and invigorated. The next two day's when I went back to the park I did my usual 2 lap walk then did 2 laps of sprints and walk and a final lap of walking (3 mile total). This is fantastic but I know I needed a time keeper, so I looked here on Amazon and found this Gymboss Interval timer. This timer comes with very good instructions to teach how to set it up and use. I absolutely love it. In the few weeks I've adjusted my sprint time from 12 to now 15 seconds keeping the one minute rest. I've also increased the amount of sprints I do in total. This timer actually is motivating me. I can't wait to get back to the park to do my exercise. It has helped to revitalize my workout routine. It's giving me goals to attain and makes my workout fun. It is very light in weight yet feels sturdy. It has a very strong clip with good grab. I clasp it onto my shorts and feel confident that it won't fall off. The audible beeping or vibrate modes (or both at the same time) work very well for the interval training. It is also a stopwatch which I use during my walking laps, and a clock. Great price for all the value it has brought to my workout. Wish I would've gotten this years ago. I highly recommend this timer to anyone looking to revitalize their workout or who just wants a sturdy multi-functional timer.
G**I
Useful timing device for exercises
This little device is very useful for timing sets of exercises. You can set the number of reps you want to do, and how long of an interval you want to rest between, and it will buzz to tell you when to stop/start each repetition and will also buzz for a longer time to let you know when you have completed all the reps. Easy to use.
C**9
Functional and well made
I needed a timer to so some intervals during workouts. I have an app on my phone, but it wasn't convenient since I like to use that to pump music into my music server. So wanted a standalone timer that was easy to setup and carry around. This Gymboss is pretty easy to set up - in fact easier than the phone app I have. One minor gripe (I have several with the phone app!) is the awkward end of routine timer. You have to press the left-side button twice to stop the alert once the routine is finished. Nice additions are the rubberized finish on the timer and the clip on the back. The fact that it runs on a AAA battery makes it easy to get new batteries as well. All in all a great timer for performing intervals or pretty much any timing need.
M**F
Does what I need; confusing to set up
I use this little device as an interval timer. I have set it up to vibrate every twenty minutes for twelve hours. I have very dry eyes and must keep them hydrated with drops during the day. Not drinking enough fluids affects them also. So every 20 minutes I get a reminder to use my eye drops and take at least a sip of water. I also use it as a reminder to unclench my jaw. (Strange the effect modern life has on the jaw.) Very useful device, but there are some cons: I have not been able to change the clock. It seems to be stuck 7 hours ahead - which I think would be Ukranian time. Strange. The buzz when it vibrates is a bit stronger than necessary. If I leave it on a table rather than keep it in a pocket, it makes quite a racket and is a shock to others who might be in the room. It was really strange to set up. Instructions were cryptic, so it was a combination of trial and error and inspired guess-work. But it is working and doing its job and my eyes are feeling better.
J**B
Good Timer, But Sticky Residue Ruins It Over Time
I really like the Gym Boss timer itself—it’s durable, versatile, and works great for interval training. However, after about a year of use, the body of the timer develops an annoying sticky residue that’s extremely hard to clean. I’m not sure if the coating is breaking down or what, but it feels like a molasses-like film that even shows fingerprint impressions. I use these in a commercial gym setting, and the residue is unpleasant enough that I often grab one and then look for an alternative just to avoid the sticky mess. I’ve even bought replacements after this issue appears, which is frustrating because the timer itself is solid. If the manufacturer could fix this coating problem, it would be an easy 5-star product. Until then, I can only give it 3 stars
A**R
Excellent gadget
A must have gadget for interval training.
M**A
Accesorios
Muy buen dispositivo, me hubiera gustado que vendieran la correa o pulsera tipo reloj por separado.
S**.
Polecam stoper.
To mój 2 stoper firmy Gymboss. Jest łatwy w obsłudze i super przydstny do treningów.
N**S
An Essential Tool for My Workouts - Gymboss Interval Timer and Stopwatch Review
I recently purchased the Gymboss Interval Timer and Stopwatch, and it has become an absolute game-changer for my workouts! As someone who loves incorporating interval training into my fitness routine, this little device has made a significant difference in how I structure my exercises and track my progress. First and foremost, the Gymboss Interval Timer is incredibly easy to use. Its intuitive design allows me to set up custom intervals effortlessly. Whether it's high-intensity intervals, rest periods, or anything in between, this timer has me covered. The ability to customize the time intervals and repetitions helps me tailor my workouts to meet my specific fitness goals. The vibration and beep alerts are fantastic features, especially during intense sessions. It keeps me focused and motivated, eliminating any need to constantly check the time or count repetitions. I can fully immerse myself in my workout without disruptions, which has greatly improved my overall performance. The stopwatch function is a fantastic bonus! I use it during my longer cardio sessions to track my running and cycling times accurately. It's precise and reliable, making it an essential tool for monitoring my progress over time. Furthermore, the Gymboss Interval Timer's compact size and sturdy build make it extremely portable. I can easily clip it onto my workout gear or wear it around my wrist using the included strap. Its durability ensures that it can withstand the rigors of any workout environment. As an active reviewer, I must mention that the customer support team at Gymboss has been outstanding. They promptly addressed any questions I had and provided helpful tips for maximizing the timer's potential. In conclusion, I highly recommend the Gymboss Interval Timer and Stopwatch to anyone looking to level up their workouts. It has become an indispensable part of my fitness journey, helping me stay on track and motivated throughout every session. With its user-friendly design, accuracy, and portability, it's undoubtedly a must-have for fitness enthusiasts and athletes alike. Pros: Easy to use and customize intervals Vibration and beep alerts for focused workouts Precise stopwatch function for accurate time tracking Portable and durable design Excellent customer support Cons: None I hope you find this review helpful in making an informed decision about the Gymboss Interval Timer and Stopwatch. Happy workouts! Best regards, Niklas
A**R
Perfect Little Interval Timer
Got this for getting back into running to set up walk/run intervals. I'm no longer wear a watch and didn't want to carry my phone or strap it to my arm. Also my phone does not have the specific functionality of this little device where you can set up two intervals of different times as well as a specific number of repeats. I considered getting the wrist or arm band but after reading other reviews decided not to and I really don't think I'd find any benefit in either of them. The Gymboss is just the right size to hold comfortably in my palm, but also clips very securely to any piece of clothing. The clip has a good "grabber" on it so it's not going to fall off even while running. I liked the different volume levels and vibrate option so I can made adjustments if my running environment is noisy (ie city traffic) or quiet (trails). Setup was simple and easy to understand. This device does exactly what it should, no more and no less, making it the perfect purpose built interval timer. I would buy it again without hesitation.
Trustpilot
3 weeks ago
3 weeks ago