Colmi C28

COLMI C28 is a slim, lightweight smartwatch designed for connected daily routines. It features a 1.93-inch AMOLED display, Bluetooth 5.3 calling, phone notifications, practical smart tools, and activity and wellness records through the COLMI Fit app. Its 230 mAh battery supports approximately 4–6 days of typical use, depending on settings and usage. C28 is available in Black, Gold, and Silver. Ultra-slim smartwatch design for everyday wear C28 combines a 7 mm slim body, large AMOLED display, Bluetooth calling, and daily wellness records in a lightweight square smartwatch. Slim design, smart everyday features - Large AMOLED display: A 1.93 inch AMOLED display with 368 x 448 resolution gives C28 a clear interface for calls, notifications, and daily tools. - Slim and light: At about 7 mm slim and 39 g with silicone strap, C28 is designed for lighter daily wear. - Calling and smart tools: Bluetooth 5.3 calling, notifications, watch faces, assistant access, and practical tools keep phone-connected actions close. Daily wellness records for personal reference Use COLMI Fit to review activity, sleep, heart rate, SpO2, stress, and cycle-related records as personal wellness references. Wellness trends in COLMI Fit Consumer wellness records for everyday self-reference, not medical diagnosis. - Sleep trends: Wear C28 overnight to record sleep timing and sleep-stage trends for personal reference. - Stress records: Review stress records and use relaxation tools as general wellness support. - Heart rate and SpO2 records: Track heart rate and SpO2 reference data in supported situations and review recent trends in the app. 100+ sports modes for everyday movement Choose from 100+ sports modes to record workouts, movement, and activity patterns in the connected app. Useful features without unlocking your phone - Notifications at a glance: When connected to your phone, C28 can show supported calls, messages, and app notifications on your wrist. Watch face library: Personalize the display with watch faces available through the COLMI Fit app. - Assistant access and tools: Use assistant access, music control, camera remote, timer, alarm, world clock, calculator, and more practical tools. Battery life for daily routines The 230 mAh lithium polymer battery supports about 4-6 days of typical use, with about 2 hours charging through the 2-pin magnetic cable. Actual battery life varies by setup and use. Main Features: Activity, exercise modes, exercise records, relaxation, sleep records, heart rate records, blood pressure reference, SpO2 reference, stress records, cycle tracking, phone calls, messages, assistant access, AI watch face, weather, shutter, music player, timer, alarm, stopwatch, world clock, calculator, find phone, brightness, watch face, menu view, sleep mode, wrist raise, cover lock, vibration and ring, DND mode, low power mode, and more. Water resistance: 1ATM. Suitable for common daily water exposure. Do not use for diving, sauna, hot water, or high-pressure water sports. Specifications: Main chipset: JL7074 Memory: RAM 316K, ROM 128M Heart rate sensor: VC30F Display type: AMOLED Screen size: 1.93 inch Resolution: 368 x 448 pixels Touch type: Full-screen touch Cover: Glass Appearance size: 46 x 40 x 7 mm Watch weight: 39 g with silicone strap Watchband width: 20 mm Assembly mode: Removable Battery type: Lithium polymer battery Capacity: 230 mAh Protection IC: Seiko Y1 Charging method: 2-pin magnetic cable Charging time: About 2 hours Typical use time: About 4-6 days Battery cycles: Above 300 Bluetooth: BT5.3 Bluetooth distance: Above 10 m Speaker: Supported Microphone: Supported App: COLMI Fit (Download COLMI Fit from Google Play or the App Store) Phone system: Android 5.0 and above, iOS 9.0 and above, HarmonyOS Components Included: 1 x Colmi Watch with Leather Strap 1 x Silicone Strap 1 x Charger 1 x Original Gift Box This product is not a medical device and is not intended to diagnose, treat, cure, or prevent any disease. Health and wellness data is for personal reference only. Battery life and feature availability may vary by setup, operation, app version, and environment. NB - Do not swim or shower with this watch.