COLMI C28 smartwatch with 1.93" AMOLED and brown leather strap
-22%
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Choose countryThe COLMI C28 is a silver smartwatch with a brown leather strap, a 7 mm slim case and a 1.93-inch AMOLED touchscreen. It supports Bluetooth calls, app notifications and everyday activity tracking.
Calls and smart tools
A built-in speaker and microphone let you take calls from the watch. The ChatGPT-based Da GPT assistant supports questions, information searches and content generation. Choose a preset watch face or personalise it with your own photo.
- Activity: over 100 sports modes, workout data recording and movement reminders.
- Monitoring: round-the-clock heart rate tracking, blood oxygen saturation and stress measurements.
- Sleep: AI-powered analysis covering sleep stages and daytime naps.
Compatibility and charging
The watch uses the COLMI Fit app and supports Android 5.0 and later, iOS 9.0 and later, and Harmony OS. Its 230 mAh battery offers approximately 4–7 days of use, with magnetic charging taking approximately 2–2.5 hours. It has a 1ATM water-resistance rating and IP6X dust protection.
The package contains the smartwatch, a magnetic charging cable and a user manual. The replaceable strap is 20 mm wide.
| Manufacturer | COLMI |
|---|---|
| Model | C28 |
| Colour | Silver with brown strap |
| Main chipset | JL7074 |
| Memory | RAM: 316K, ROM: 128M |
| Heart rate sensor | VC30F |
| Bluetooth version | 5.3 |
| Bluetooth range | Approx. 10 m |
| Display | AMOLED |
| Display diagonal | 1.93 inches |
| Resolution | 368 × 448 px |
| Viewing angle | 89 / 89 / 89 / 89 |
| Touch control | Full-screen |
| Screen material | Glass |
| Screen bonding | Full bonding with OCA |
| Battery type | Lithium-polymer |
| Battery capacity | 230 mAh |
| Protection chip | Seiko Y1 |
| Charging method | 2-pin magnetic cable |
| Charging cycles | Over 300 |
| Charging time | Approx. 2–2.5 hours |
| Operating time | Approx. 4–7 days |
| Standby time | Approx. 20 days |
| Speaker | Yes |
| Microphone | Yes |
| Case dimensions | 46 × 40 × 7 mm |
| Strap material | Leather |
| Material | Metal + iML |
| Buttons | 1 aluminium alloy button |
| Watch weight | 39 g (with silicone strap) |
| Strap width | 20 mm |
| Interchangeable strap | Yes |
| Compatible systems | Android 5.0 and later, iOS 9.0 and later, Harmony OS |
| App | COLMI Fit |
| Water resistance | 1ATM |
| Updates | OTA |
| Watch languages | English, Simplified Chinese, Korean, German, French, Spanish, Arabic, Russian, Ukrainian, Italian, Portuguese, Polish, Bengali |
| App languages | English, Simplified and Traditional Chinese, German, French, Arabic, Czech, Greek, Spanish, Japanese, Persian, Italian, Korean, Polish, Portuguese, Russian, Finnish, Swedish, Thai, Hungarian, Slovak, Croatian, Albanian, Turkish, Ukrainian |
| Training modes | Over 100; including walking, running, cycling, badminton, yoga, strength training, dancing, martial arts, winter sports and water sports modes |
| AI assistant | Da GPT, based on ChatGPT |
| Calls | Make and receive Bluetooth calls |
| Health tracking | Round-the-clock heart rate monitoring, blood oxygen saturation, stress, AI sleep analysis with sleep stages and daytime naps |
| Notifications and reminders | App notifications, including WhatsApp, Facebook and TikTok; movement reminders |
| Watch face customisation | Preset designs or your own photo |
| Dust protection | IP6X |
| Screen-to-body ratio | 90% |
| Case finish | Zinc alloy with a glossy finish |
| EAN | 6972436987023 |
|---|
Which phones is it compatible with?
The watch supports Android 5.0 and later, iOS 9.0 and later, and Harmony OS. It uses the COLMI Fit app.
What is included?
The smartwatch with a brown leather strap, a magnetic charging cable and a user manual are included.
