Colmi i28 Ultra Smartwatch
Descriptions
A smartwatch isn’t just an accessory, it’s a statement. The COLMI i28 Ultra makes that clear with its cool look and smart features. It comes with a bright 1.43-inch AMOLED display that looks clear and sharp with a 466×466 pixel resolution. Whether you’re on Android or iOS, the “COLMI Fit” app keeps you connected. It runs on a JL7013A6S chip with Bluetooth 5.3 for smooth pairing and stable connection. With an IP68 waterproof rating, you can wear it while washing your hands or in light rain. The 260mAh battery gives you good backup for everyday use. Perfect for fitness tracking and everyday wear, the COLMI i28 Ultra offers all the basics in a sleek design without the high price tag.Order from T-Tech or Visit our shop at Shah Amanat Market, Chittagong.
Specification
| Brand | Colmi |
| Model | i28 |
| Bluetooth | Version 5.3 |
| App Support | Yes | COLMI Fit |
| Charging time | Approximately 2 hours |
| Display | 1.43 inches | AMOLED | Resolution: 466×466 pixel |
| Sweat & Water Resistance | Yes | IP68 |
| Battery Life | Battery capacity: 260mAh | 5 to 7 days |
| Other Features | Watch: 43.5 x 43.4 x 11mm | Strap width: 20mm |
Features
- Has a bright AMOLED screen that shows everything clearly even in the sunlight
- Connects easily to your phone with Bluetooth 5.3, so notifications come in fast
- Long-lasting battery that stays with you through busy days easily
- Charges quickly, so you can wear it again without waiting too long
- Water and sweat resistant, so you can wear it during workouts and rainy weather too
Colmi i28 Ultra Smartwatch Best Price in Bangladesh
Colmi i28 Ultra Smartwatch Best Price in Bangladesh is 4,600 BDT.
















FAQs
Q1: Does it support making calls?
Yes. The Colmi i28 Ultra allows Bluetooth calling — you can answer or make calls directly from the watch once it’s paired with your phone.
Q2: Is it safe for swimming?
It has an IP68 rating, which protects against dust and brief immersion in water. However, it’s not recommended for swimming or diving. It’s fine for daily use like hand-washing, sweat, or light rain.
Q3: How accurate are the health sensors?
It includes heart-rate, SpO₂, and sleep tracking sensors. Accuracy is generally suitable for everyday fitness monitoring, but not for medical purposes.
Q4: Can I change watch faces?
Yes. You can change and download new watch faces through the COLMI Fit app. You can also use a custom photo as a background.
Q5: How long does the battery last?
On average, you get 5–7 days of regular use and about 2 hours of charging time for a full charge.
Q6: Which phones are compatible?
Compatible with Android 4.4 and above, iOS 8.0 and above, and HarmonyOS devices. Make sure the COLMI Fit app is installed and updated.

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