COLMI C28 smartwatch with 1.93" AMOLED display, black
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The COLMI C28 is a black smartwatch with a 1.93" AMOLED touchscreen, Bluetooth calling and the ChatGPT-based Da GPT assistant. Its case is 7 mm thick, and it weighs 39 g with the silicone strap.
Calls and everyday tools
A built-in microphone and speaker let you make and answer Bluetooth calls from the watch. Da GPT supports questions, information searches and content generation. You can view WhatsApp, Facebook and TikTok notifications, and personalise the watch face with a preset design or your own photo.
- Activity: over 100 sports modes with workout data recording.
- Personal metrics: round-the-clock heart rate monitoring, blood oxygen saturation and stress measurements.
- Sleep: AI-supported analysis of sleep stages and daytime naps.
- Movement: reminders to stay active.
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. It has a replaceable 20 mm strap, a 1ATM water-resistance rating and IP6X dust protection. The 230 mAh battery charges in approximately 2–2.5 hours using a 2-pin magnetic cable. The package includes the watch, magnetic charging cable and user manual.
| Manufacturer | COLMI |
|---|---|
| Model | C28 |
| Colour | Black |
| 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 lamination 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 |
| 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 |
| Replaceable 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 (language codes) | en, zh-Hans, zh-Hant, de, fr, ar, cs, el, es, ja, fa, it, ko, pl, pt, ru, fi, sv, th, hu, sk, hr, sq, tr, uk |
| Training modes: core activities | Walking, running, cycling, jumping rope, badminton, basketball, football, climbing, tennis, rugby, golf, yoga, workout, dancing, baseball |
| Training modes: machines and outdoor activities | Elliptical trainer, stationary bike, custom workout, rowing machine, outdoor running, kabaddi, rock climbing, skateboarding, rollerblading, parkour, ATV, paragliding, triathlon |
| Training modes: exercise | Dumbbells, sit-ups, indoor walking, indoor running, stepper, stair climbing, core training, flexibility, Pilates, gymnastics, stretching, strength, cross-training, aerobics, physical training |
| Training modes: strength and dance | Wall ball, barbell, deadlift, upper body, functional training, burpees, back, lower body, abs, HIIT, weightlifting, square dance, belly dance, ballet, Zumba, Latin dance |
| Training modes: dance and combat sports | Street dance, folk dance, jazz dance, boxing, wrestling, martial arts, Tai Chi, Muay Thai, judo, taekwondo, karate, kickboxing, fencing, kendo |
| Training modes: ball games | Bowling, cricket, volleyball, softball, hockey, table tennis, handball, squash, billiards, beach football, beach volleyball, sepak takraw |
| Training modes: winter sports and other activities | Skiing, ice skating, curling, other winter sports, snowmobiling, ice hockey, bobsledding, luge, archery, darts, tug-of-war, hula hooping, kite flying, horseback riding, Frisbee, equestrian sports, car racing, track and field |
| Training modes: water sports | Sailing, water polo, other water sports, paddleboarding, water skiing, kayaking, rafting, rowing, motorboats, fin swimming, scuba diving, artistic swimming, snorkelling, kitesurfing, open-water swimming |
| Dust protection | IP6X |
| EAN | 6972436986972 |
|---|
Which phones and app does the watch support?
The watch uses COLMI Fit and supports Android 5.0 and later, iOS 9.0 and later, and Harmony OS.
What is included?
The package includes the COLMI C28 smartwatch, a magnetic charging cable and a user manual.
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