COLMI C8 Max Smartwatch
COLMI C8 Max Smartwatch is a large-screen Bluetooth calling watch for daily communication, smart notifications, activity records, sleep trends, and app-connected wellness data through COLMI Fit.
- 1.93 inch IPS display with 240*288 resolution
- Bluetooth 5.3 calling and daily smart tools
- Wireless charging with 5-7 day typical use
- Sleep trends, heart rate records, SpO2 records, stress records, and activity tracking
- IP68 daily water resistance
COLMI smartwatches are designed for general wellness and lifestyle records. They are not medical devices and are not intended to diagnose, treat, cure, or prevent any disease.
Explore all COLMI smart watches or contact COLMI for product questions.
1.93 inch IPS display with 240 x 288 resolution
Bluetooth 5.3 calling and daily smart tools
Wireless charging with about 5-7 day typical use
COLMI Fit records sleep, activity, heart rate, SpO2, and stress trends
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping Information
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Answer calls on the go
Connect C8 Max to your phone with Bluetooth 5.3 to make and answer calls from your wrist when your phone is nearby.
Voice assistant and quick controls
Use supported voice assistant access and watch controls for music, calls, weather, and other daily actions with fewer phone pickups.
Notifications at a glance
When connected to your phone, C8 Max can show supported messages and app reminders on your wrist, so you can check updates without taking out your phone.
Sleep trends
Wear C8 Max overnight to record sleep timing and sleep-stage trends, then review your overnight patterns in COLMI Fit.
Daily records for personal wellness
Review key wellness references in the app without turning the watch into a medical device.
Heart rate records
Track heart rate trends during daily routines and workouts for personal reference.
SpO2 reference
Record blood oxygen reference data where supported and review recent trends in the app.
Stress records and breathing tools
Review stress records and use guided breathing tools for relaxation support.
Power that lasts through daily routines
Wireless charging takes about 2 hours, with about 5-7 days of typical use depending on settings, calls, notifications, brightness, and environment.
Details before you buy
Use the visual charts as quick C8 Max references before ordering.
Parameter chart
A visual summary of C8 Max measurements and product parameters.
In the box
Package contents are shown for reference and may vary by market or fulfillment setup.
C8 Max specifications
Core specifications and notices for C8 Max, rewritten for a clean product page and safer wellness positioning.
Base parameters
Brand: COLMI
Product name: C8 Max Smartwatch
Colors: Black, Silver, Gold
Connectivity: Bluetooth 5.3
Chip and water resistance
Main chip: JL7012F
Heart rate chip: HX3918
Water resistance: IP68 for common daily water exposure. Avoid diving, sauna, hot water, and high-pressure water.
Display
Screen size: 1.93 inch
Screen type: IPS
Resolution: 240 x 288 pixels
Touch type: Full-screen touch
Cover: Glass
Battery and charging
Battery type: Lithium polymer battery
Capacity: 280mAh
Protection IC: Seiko Y1
Charging method: Wireless charging
Charging time: About 2 hours
Typical use time: About 5-7 days, depending on setup, operation, and environment.
App and compatibility
App: COLMI Fit
Compatibility: Android 4.4 and above, iOS 8.0 and above, Harmony OS.
Appearance and strap
Watch material: Zinc Alloy+iML
Watchband: Silicone strap
Strap width: 22mm
Assembly mode: Removable
Watch and app features
Bluetooth calls, smart notifications, activity records, sports records, sleep trends, heart rate records, SpO2 reference, stress records, weather, music control, camera remote, alarms, stopwatch, reminders, watch face switching, and other daily tools. Feature availability can vary by app version, permissions, phone system, and region.
COLMI Fit download
Download COLMI Fit from Google Play or the App Store.
Wellness data notice
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. Product images, specs, functions, app content, and battery life may vary by setup, operation, app version, fulfillment, and environment.
Questions before you order
Quick answers about app compatibility, battery life, water resistance, notifications, and wellness records.
Which app does C8 Max use?
C8 Max works with the COLMI Fit app for watch connection, records, watch faces, and daily settings.
How long does the battery last?
The listed typical use time is about 5-7 days. Actual battery life depends on settings, call use, screen brightness, notifications, and environment.
Is C8 Max water resistant?
C8 Max is listed as IP68 water resistant for common daily water exposure. Do not use it for diving, sauna, hot water, or high-pressure water sports.
Are the wellness records medical data?
No. C8 Max is a consumer smartwatch. Wellness records are for personal reference only and are not intended for diagnosis, treatment, cure, or disease prevention.
Why do notifications depend on my phone?
Calls, messages, and app reminders require Bluetooth connection and relevant phone/app permissions. Some functions require COLMI Fit to run in the background.