COLMI C28 Smartwatch in Gold with a White Leather Strap

COLMI C28 Smartwatch – Gold with White Leather Strap

The COLMI C28 is an ultra-slim smartwatch, measuring just 7 mm thick and weighing 39 g. It combines an elegant design with a range of practical features. The built-in Da GPT assistant provides quick answers and information, while the 1.93-inch AMOLED HD display has a resolution of 368 × 448 pixels for a clear, detailed image. The watch supports Bluetooth calls, offers more than 100 sports modes and includes health-monitoring features. Its 230 mAh battery provides approximately 4–7 days of operation, depending on use.

AI assistant

The ChatGPT-based Da GPT assistant provides AI support directly from the watch. Use it to get answers, check information and access content-generation features without reaching for your phone.

Slim, lightweight design

The 7 mm-thick case and 39 g weight are designed for comfortable all-day wear. The slim profile suits work, exercise and everyday use. The gold zinc-alloy case has a glossy finish, complemented by a white leather strap. The strap is interchangeable and has a width of 20 mm.

1.93-inch AMOLED display

The 1.93-inch AMOLED display has a resolution of 368 × 448 pixels and a 90% screen-to-body ratio. Its full-screen touch interface and glass screen provide a clear, detailed view. The watch face can be customised using preset designs or a personal photo.

Bluetooth calls and notifications

Make and answer calls directly from the watch using its built-in speaker and microphone. Receive notifications from apps including WhatsApp, Facebook and TikTok, so you can check messages from your wrist.

Health and activity tracking

The COLMI C28 monitors heart rate around the clock and measures blood oxygen saturation and stress levels. AI-powered sleep analysis covers sleep stages and daytime naps. A movement reminder helps you stay active throughout the day. More than 100 sports modes cover activities such as walking, running, cycling, badminton and yoga. The watch records workout data to help you review your activity and track progress.

Battery and protection

The 230 mAh lithium-polymer battery provides approximately 4–7 days of operating time and up to 20 days of standby time. Charging uses a two-pin magnetic cable and takes approximately 2–2.5 hours. The watch is rated 1 ATM for water resistance and has IP6X dust protection. It is suitable for everyday use, including exercise and rain; it is not intended for swimming or diving.

Specifications

• Manufacturer: Colmi
• Model: C28
• Colour: Gold with white strap
• Main chipset: JL7074
• Memory: RAM 316 KB, ROM 128 MB
• Heart-rate sensor: VC30F
• Bluetooth: Version 5.3; range approximately 10 m
• Display: AMOLED, 1.93 inches, 368 × 448 pixels
• Viewing angles: 89° / 89° / 89° / 89°
• Touch interface: Full-screen
• Screen material and fit: Glass; full fit with OCA
• Battery: Lithium-polymer, 230 mAh
• Protection chip: Seiko Y1
• Charging: Two-pin magnetic cable; more than 300 charging cycles; approximately 2–2.5 hours
• Operating time: Approximately 4–7 days
• Standby time: Approximately 20 days
• Speaker and microphone: Yes
• Case dimensions: 46 × 40 × 7 mm
• Strap: Leather, 20 mm wide; interchangeable
• Case material: Metal + iML
• Button: One aluminium-alloy button
• Weight: 39 g (listed with silicone strap)
• Compatible systems: Android 5.0 and later, iOS 9.0 and later, HarmonyOS
• App: COLMI Fit
• Water resistance: 1 ATM
• Updates: OTA
• Watch languages: English, Simplified Chinese, Korean, German, French, Spanish, Arabic, Russian, Ukrainian, Italian, Portuguese, Polish and 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 and Ukrainian

Training modes

Walking, running, cycling, jumping rope, badminton, basketball, football, climbing, tennis, rugby, golf, yoga, workout, dancing, baseball, elliptical trainer, stationary bike, custom workout, rowing machine, outdoor running, kabaddi, rock climbing, skateboarding, rollerblading, parkour, ATV, paragliding, triathlon, dumbbells, sit-ups, indoor walking, indoor running, stepper, stair climbing, core training, flexibility, Pilates, gymnastics, stretching, strength training, cross-training, aerobics, physical training, wall ball, barbell, deadlift, upper body, functional training, burpees, back, lower body, abs, HIIT, weightlifting, square dance, belly dance, ballet, Zumba, Latin dance, street dance, folk dance, jazz dance, boxing, wrestling, martial arts, Tai Chi, Muay Thai, judo, taekwondo, karate, kickboxing, fencing, kendo, bowling, cricket, volleyball, softball, hockey, table tennis, handball, squash, billiards, beach football, beach volleyball, sepak takraw, 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, sailing, water polo, other water sports, paddleboarding, water skiing, kayaking, rafting, rowing, motorboats, fin swimming, scuba diving, artistic swimming, snorkelling, kitesurfing and open-water swimming.

Included

• Smartwatch
• Magnetic charging cable
• User manual