COLMI C28 smartwatch, 1.93" AMOLED, gold
-16%
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LithuaniaThe COLMI C28 is a gold smartwatch with a 1.93-inch AMOLED touchscreen and Bluetooth calling. Its case is 7 mm thick, and it weighs 39 g including the silicone strap.
Calls and everyday tools
A built-in speaker and microphone let you make and receive Bluetooth calls from the watch. The ChatGPT-based Da GPT assistant supports questions, information searches and content generation. App notifications include WhatsApp, Facebook and TikTok, while customisable watch faces let you choose a preset design or your own photo.
Activity and wellbeing tracking
- Training: over 100 sports modes with workout data recording.
- Monitoring: 24/7 heart rate tracking, blood oxygen saturation and stress measurements.
- Sleep: AI-assisted analysis of sleep stages and daytime naps.
- Reminders: movement reminders throughout the day.
Compatibility and charging
The watch uses the COLMI Fit app and supports Android 5.0 or later, iOS 9.0 or later and Harmony OS. Its 230 mAh battery provides approximately 4–7 days of operation, with magnetic charging taking approximately 2–2.5 hours. Protection ratings are 1ATM for water resistance and IP6X for dust. The package includes the watch, a magnetic charging cable and a user manual.
| Manufacturer | COLMI |
|---|---|
| Model | C28 |
| Colour | Gold |
| 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 fit 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 | Silicone |
| 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 Chinese, 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, dance, martial arts, team sports, winter sports and water sports |
| Dust protection | IP6X |
| Screen-to-body ratio | 90% |
| AI assistant | Da GPT, based on ChatGPT |
| Calls | Make and receive Bluetooth calls |
| Monitoring functions | 24/7 heart rate, blood oxygen saturation, stress level, sleep stages and daytime naps |
| Other functions | App notifications, movement reminders, customisable watch faces with personal photos |
| EAN | 6972436986989 |
|---|
Can the strap be replaced?
Yes. The silicone strap is interchangeable and measures 20 mm wide.
Which phones are supported?
The listed compatible systems are Android 5.0 and later, iOS 9.0 and later, and Harmony OS. The companion app is COLMI Fit.
What is included?
The package contains the smartwatch, a magnetic charging cable and a user manual.
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