Rainbuvvy B18 Smart Watch: 4G connectivity
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Meet the Rainbuvvy B18 Smart Watch—where style shakes hands with smarts. It's got this full-screen Super HD AMOLED display that's so crisp, you'll wanna watch movies on it (though, maybe don't). And yeah, it's got 4G connectivity, because who wants to be tethered to their phone all the time? Snap pics on the fly with its 2MP camera (perfect for those 'I woke up like this' moments), and thanks to its IP67 waterproof rating, it laughs in the face of rain, sweat, and accidental dips in the pool.
But it's not all about looking good and staying connected. This watch is like having a mini doctor on your wrist, with heart rate tracking to keep your ticker in check. And with a long standby time, it won't bail on you when you're out living your best life. Oh, and that sleek black design? It's the cherry on top, making sure you look sharp while you're at it.
- AMOLED display
- Heart rate monitoring
- IP67 waterproof
- Long standby time
- Fashionable design
- 4G connectivity
General specs
- Brand: Rainbuvvy
- Model: B18
- Seller: Joom
- Connectivity: 4G
- Display: AMOLED, Super HD
- Camera: 2MP
- Waterproof: IP67
- Memory: 2GB RAM, 16GB ROM
- 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
Comparison with similar products
This item | Recommendations | |||||
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![]() Rainbuvvy B18 4G connectivity
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![]() Rainbuvvy B14 4G connectivity
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![]() Rainbuvvy Q888 4G connectivity
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![]() Rainbuvvy DM30 4G connectivity
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![]() Rainbuvvy DM80 4G connectivity
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![]() Rainbuvvy Q668 4G connectivity
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Brand | Rainbuvvy | Rainbuvvy | Rainbuvvy | Rainbuvvy | Rainbuvvy | Rainbuvvy |
Model | B18 | B14 | Q888 | DM30 | DM80 | Q668 |
Color | ||||||
Rating |
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Price | $50.89 | $58.42 | $112.40 | $99.75 | $71.74 | $104.13 |
Seller | Joom | Joom | Joom | Joom | Joom | Joom |
Update | August 8, 2025 | August 8, 2025 | August 31, 2025 | August 8, 2025 | August 8, 2025 | August 8, 2025 |
Connectivity | 4G | 4G, WIFI | 4G, Bluetooth, WiFi | 4G, WIFI, GPS | 4G, Wi-Fi, GPS | 4G, Wi-Fi |
Display | AMOLED, Super HD | AMOLED HD | 2.06-inch AMOLED | 1.6-inch IPS | 1.99 inches | |
Camera | 2MP | 2MP | Dual 5.0 MP | Yes | Dual 5MP | |
Memory | 2GB RAM, 16GB ROM | 3GB RAM, 32GB storage | 4GB RAM, 64GB storage | 2GB RAM, 16GB ROM | ||
Operating System | Android 9.1 | Android 8.1 | Android 9.0 |
Alexa R.
Houston, TX
June 4, 2025
Bottom line, this watch has been a solid companion for me over the past few months. I use it daily to keep tabs on my heart rate, especially when I'm out walking my dogs in Houston—it's very reassuring to have that health monitoring right on my wrist. The screen is a standout; it's so crisp that I often catch myself admiring it, though I don't watch movies on it like the description jokes about. Staying connected without my phone is a huge plus, but I've noticed the camera isn't great for anything more than casual pics, which is a bummer. It's held up well against rain and sweat, which is essential here in Texas, and the battery life means I don't have to charge it constantly. For tips, I'd say pair it with a good strap for comfort during long wear, and maybe use it more for notifications than photos. Overall, it's a good buy if you're looking for something functional and stylish, but it's not perfect. I'd recommend it with some reservations, hence my rating.
- Pros: I really appreciate how clear and sharp the screen is, it makes everything look very vivid and easy to read. Being able to make calls and stay connected without my phone is a game-changer for me, and I love that it can handle getting wet without any issues. The battery lasts a long time, which is great for my busy days with my pets, and it tracks my heart rate accurately, giving me peace of mind. The design is sleek and looks very stylish on my wrist, blending well with my restrained style.
- Cons: From what I feel, the camera quality isn't the best; photos come out a bit grainy and not very sharp, which is disappointing for quick snaps. Sometimes the connection can be a bit spotty, making calls unreliable in certain areas, and I wish it had more features for tracking my activities beyond the basics. The black color is nice, but it might not appeal to everyone's taste, and overall, it feels a bit limited compared to other options out there.