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⌚ Upgrade your wrist game with AIUNIT’s sleek Flex 2 band — where style meets unstoppable comfort!
The AIUNIT Compatible Flex 2 Band is a premium replacement wristband designed for Flex 2 fitness trackers. Available in three stylish colors and two adjustable sizes (Small: 5.1"-7.0" wrist, Large: 6.1"-8.5" wrist), it features a durable silicone build and a unique hexagonal metal clasp for secure, comfortable wear. Perfect for professionals seeking a blend of elegance and functionality, this band personalizes your fitness experience while ensuring lasting quality.





| ASIN | B077D1QP5T |
| Best Sellers Rank | #200,727 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #534 in Activity & Fitness Trackers #1,354 in Electronics & Gadgets |
| Brand Name | AIUNIT |
| Color | B01-3 Pack-Black/Navy/Gray |
| Country of Origin | China |
| Customer Reviews | 4.6 4.6 out of 5 stars (448) |
| Date First Available | November 12, 2017 |
| Item Dimensions LxWxH | 4.88 x 2.64 x 0.47 inches |
| Item Package Dimensions L x W x H | 9.84 x 5.91 x 0.79 inches |
| Item Weight | 1.12 ounces |
| Manufacturer | AIUNIT |
| Material | silicone |
| Package Weight | 0.05 kg |
| Part Number | ACA_FLEX 2_XW_S_00_03_FBA603 |
| Size | Small |
| Sport Type | Fitness |
| Style | Sport |
| Units | 3 Count |
J**D
Great quality, good color variety, and awesome deal!
I was pretty skeptical when I ordered this set of bands for my Flex 2, but I really wanted more variety than the few colors offered by Fitbit. After all, if I'm wearing this thing 24/7, I should be able to make it blend with my outfits, right? I mostly wanted the darker, more subtle colors -- black, dark & light gray, purple, navy -- but I figured the peach one would might be nice and neutral as well, depending on what I'm wearing. The brighter ones aren't really my style, but you never know. I was just worried that these would feel like a cheaper plastic, wouldn't fit as well, or would in some other way be sub-par. Turns out I had nothing to worry about. The package arrived faster than expected, and honestly, I was immediately surprised by the quality. These bands look and feel exactly like the "real thing," with no difference in fllexibility or sturdiness. In fact, the metal clasp piece seems to be an even tighter fit in those little punch holes than my original band, so there's no doubt it will stay securely on my wrist. They fit so securely that the little added silicone band to fit over the overlapping ends seems almost unnecessary. The variety of colors in this pack is really nice, too, and even the colors similar to those that Fitbit has are different enough that it's worth having both. My Fitbit Flex 2 came with the lavender wristband, but as you can see from the attached photo, Fitbit's is more of a grayish lavender, while this pack's lavender is brighter and more of a true pastel. However, even with those small color variations, these bands don't look/feel at all like knock-offs. The texture and flexibility is the same, the sizing is identical, and even the clasp is metal -- of sufficient quality that my super-sensitive skin hasn't reacted at all to it. These bands hold the Fitbit pebble just as securely, and the indicator lights glow just as brightly through it. In fact, the only obvious difference is actually a very subtle one -- the small, barely visible Fitbit logo doesn't appear next to the clasp. If you want to change up your look or make sure your Fitbit Flex 2 matches what you're wearing, this affordable set is an absolute must-have. UPDATE: So I've been wearing these things 24/7 for about 3 months now, and they're still awesome. None of them have broken, come loose, or shown any soiling or wear. Definitely one of my better purchases!
A**R
Performs as Expected
Perfect, exactly what I was looking for as a replacement band. The Flex 2 is outdated and very hard to find bands, so this is wonderful and nice color. Holds up well to wearing at the beach and other activities.
D**O
Just like my original band
I ordered the Navy replacement band, b/c my original band has started to come unclasped. This one seems almost exactly like my original Fitbit band; I really can't tell the difference. I wondered how the color would compare to my original Navy Blue band, b/c the online picture looked much lighter. The color is almost the same. This is the only difference I can see. It is a true Navy Blue, just slightly different in color than the original. This is a high quality band, and I would not hesitate to order it again if needed.
W**E
My Fave band! Perfect size for small hands
Had my flex 2 for over 5 years now. So happy they still have the bands as replacements. Very sturdy. I do eveything in mine and they get wet pretty often but they do last considering . My hands a small so the small band fits really well n comfy. Ended up buying two for future purposes just incase.
D**T
Great Replacement Bands
These are the right size, pebble fits nicely. The clasp is a little difficult using just one had or two to secure the band. Other than that they work great
M**.
Wristband WITH fastener that’s interchangeable with Fitbit Flex 2 wristband
I was disappointed to find out Fitbit doesn’t sell fasteners for the Flex 2 model. I always need at least two wristbands so I can switch quickly after I swim, rather than take the time to thoroughly dry out the one I was wearing. I lost one and ordered more from Fitbit but they came without fasteners and Fitbit seems to have stopped selling the fastener separately. This company sells almost the identical band and it includes a fastener - one that is interchangeable with the Fitbit model. Now I’m all set for swimming and have new colors to match whatever I’m wearing that day.
G**A
Show soil fast, otherwise great product
These bands look and feel just like their FitBit counterparts, they hold the gadget perfectly, and the gadget functions fully inside these bands. I even found these bands a bit easier to open and close than FirBit's model. And, the colors are very attractive and quite accurately portrayed. I lobbed off two stars because, as was mentioned by earlier reviewers, the bands get filthy fast, for no apparent reason. After wearing my original FitBit Flex 2 band for a month, 24/7, it showed zero dirt. However, this brand new band looks filthy after just 2 days of wear - and not a single activity during that time that should have caused such soiling. I have a desk job, and haven't gardened pr cleaned house wearing the band. I'll be googling ways to clean these, but even if I succeed (I'm dubious, because earlier reviewers tried and failed to clean theirs), it's impractical to have to do so every other day.
J**F
Perfect little band
It is exactly like OEM. Looks, feels and wears exactly like the one from Fitbit (except much better colors!). I bought these to replace a badly worn band, and I've been very impressed with them (right down to the little stainless tab that snaps on the band, each band has its own little tab so you don't have to swap it around!). Recommend 100%
L**S
Buen producto
Me gusta
C**E
Love these! It’s such a great value for the ...
Love these! It’s such a great value for the price. The colours are absolutely beautiful and as pictured. The Fitbit itself fits well into the band, nice and snug so there is no risk of falling out. A bit more stuff than the band that comes with the Fitbit, but I really don’t mind. Overall very good quality, well made, and I would 100% reccomend.
R**L
Nice Bands
Nice bands. They fit well. They are a little bit bigger than the original Fitbit band, but nice quality and clasp works well. I like them better than the original band (which came apart). Cheap and now have 3 different colours to pick from. Very pleased with purchase
C**M
Great replacement for the original one.
I have brought this for my wife. She loved it. It does fit even better than the original one ... The pebble fits also great, the leds are easy visible. The price is also affordable.
T**Y
Great bands for the value
Very quick delivery. All bands are good quality. I actually prefer this over the original fitbit one, these one somehow fits my wrist more comfortably. Only reason I didn’t give a 5 star is because I bought this set for the bright purple color band, but the set I received didn’t have that color, it has the light lavendar that fitbit offers instead which I already owned.
Trustpilot
3 weeks ago
1 day ago