Rainbuvvy KR88 Smart Watch: 1.57 inch display
Meet the Rainbuvvy KR88 Smart Watch—your new sidekick for staying on top of your health and fitness game, all while looking pretty sharp. Sporting a 1.57-inch display, it's like having a mini command center on your wrist, making sure you never miss a beat (or a notification, thanks to its Bluetooth magic).
But wait, there's more! This little gadget doesn't just tell time; it's like having a personal trainer and a sleep doctor rolled into one. Ever wondered how many calories you burned just by binge-watching your favorite show? It's got you covered. And with heart rate monitoring and sleep tracking, it's basically your body's way of spilling its secrets.
- Heart rate monitoring—because your heart deserves a check-up too.
- Sleep tracking—to prove you do, in fact, need more sleep.
- Calorie counting—for those who count every bite (or just pretend to).
So yeah, it's not just a watch. It's the fitness buddy you didn't know you needed.
- Bluetooth connectivity
- Heart rate monitoring
- Sleep tracking
- Calorie counting
- Health tracker
- 1.57 inch display
General specs
- Brand: Rainbuvvy
- Model: KR88
- Seller: Joom
- Display Size: 1.57 inch
- Connectivity: Bluetooth
- Health Features: Heart rate monitoring, Sleep tracking, Calorie counting
- First listed by seller: 5/23/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Rainbuvvy KR88 1.57 inch display
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Rainbuvvy KR92 2.01-inch display
|
Rainbuvvy KC80 1.43-inch AMOLED display
|
Rainbuvvy KR82 2.1-inch AMOLED display
|
Rainbuvvy KC83 1.43-inch round display
|
Rainbuvvy OD3 2.1inches IPS display
|
|
| Brand | Rainbuvvy | Rainbuvvy | Rainbuvvy | Rainbuvvy | Rainbuvvy | Rainbuvvy |
| Model | KR88 | KR92 | KC80 | KR82 | KC83 | OD3 |
| Color | ||||||
| Rating |
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| Price | $54.72 | $63.17 | $56.81 | $48.79 | $59.18 | $65.66 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | August 20, 2025 | August 20, 2025 | August 20, 2025 | August 20, 2025 | August 20, 2025 | August 20, 2025 |
| Connectivity | Bluetooth | Bluetooth | Bluetooth | Bluetooth, NFC | ||
| Display | 1.43-inch AMOLED | 2.1-inch AMOLED | 1.43-inch round | 2.1inches IPS | ||
Smart Watch
Ethan R.
Strasbourg
June 5, 2025
i picked this up from the store, which was convenient, and it's saved my day more than once by keeping me on track with my fitness goals. as a designer, i appreciate the aesthetics, but i'm cautious about relying on it too heavily. emotionally, it's been a great motivator, pushing me to be more active and mindful of my health. i've used it for a couple of weeks now, and while it's not perfect, the benefits outweigh the drawbacks for me. it's become a part of my daily routine, helping me balance work and wellness in a way that feels natural and supportive.
- Pros: the display is incredibly clear and easy to read, making it simple to check notifications and stats at a glance. i love how it tracks my heart rate and sleep patterns, giving me insights into my health that feel accurate and helpful. the design is sleek and comfortable to wear all day, and it syncs well with my phone without any fuss.
- Cons: from what i feel, the battery life could be better, as i find myself charging it more often than i'd like. sometimes the step count seems a bit off, which makes me question its precision. it's not the most durable, so i have to be careful not to bang it around too much.