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All orders are processed and shipped within 48 hours (business days).
Once your order has been shipped, you’ll receive a confirmation email with your tracking number.
Delivery usually takes:
(Delivery time may vary slightly depending on customs clearance and local carriers.)
Designed for outdoor moments, daily calls and active routines, the Chronus AK81 combines a built-in flashlight, 400mAh battery, 1.46-inch IPS display, Bluetooth calling, 100+ sports modes and daily wellness reference in a practical smartwatch design.
A wrist-mounted flashlight provides extra visibility for nighttime walks, dark environments and sudden power outages.
The 400mAh battery is designed for extended daily use and longer standby, reducing the need for frequent charging.
A 360×360 full-touch IPS screen delivers clear visuals, sharp details and smooth everyday operation.
Bluetooth 5.1 supports calls directly from the watch, along with contact sync and convenient daily communication.
Supports over 100 sports modes for workouts, outdoor activity and daily fitness tracking.
Supports heart rate tracking, sleep monitoring, step counting and daily activity records for everyday wellness awareness.
The Chronus AK81 is designed for users who want a practical outdoor smartwatch with a built-in flashlight, long-lasting battery, Bluetooth calling and daily fitness tracking for active routines and everyday use.
Stay connected with Bluetooth calling, contact sync, music control, call reminders, message notifications and social media alerts. The built-in flashlight, sports tracking and DaFit app support make it useful for both daily wear and outdoor activities.
| Feature | Details |
|---|---|
| Model | AK81 |
| Display | 1.46" IPS Full-Touch Display |
| Resolution | 360 × 360 |
| Battery | 400mAh |
| Flashlight | Built-In Flashlight |
| Bluetooth | Bluetooth 5.1 |
| Calling | Bluetooth Calling, Contact Sync |
| Sports Modes | 100+ Modes |
| Sensor | VC30F_S Heart Rate Sensor |
| Wellness Tracking | Heart Rate, Sleep Monitoring, Step Counting |
| Notifications | Calls, Messages and Social Media Alerts |
| Daily Tools | Music Control, Call Reminders, Message Push, App Sync |
| App | DaFit App |
| Compatibility | Android 4.4+ / iOS 9.0+ |
Chronus AK81 Smartwatch
Charging Cable
User Manual
Original Chronus Packaging
Health and wellness data is for reference only and not intended for medical use. Battery life, sports tracking, call performance and flashlight use may vary depending on usage conditions, settings and app connection.
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