Introduction
This manual provides instructions for setting up, operating, and maintaining your AK86 Smart Watch. Please read this manual carefully before using the device to ensure proper function and longevity.

Package Contents
Ensure all items are present in your package:
- AK86 Smart Watch
- Charging Cable
- User Manual (this document)
- Warranty Card (if applicable)

Setup Guide
1. Charging the Device
Before first use, fully charge your AK86 Smart Watch. Connect the magnetic charging cable to the charging contacts on the back of the watch and plug the USB end into a power adapter (not included) or a computer's USB port.
- Charging Time: Approximately 2 hours for a full charge.

2. Powering On/Off
- Power On: Press and hold the side button until the screen lights up.
- Power Off: Navigate to the settings menu on the watch, select "Power Off", and confirm.
3. App Installation and Pairing
To unlock the full potential of your AK86 Smart Watch, download the companion app on your smartphone. The app is compatible with both iOS and Android operating systems.
- Enable Bluetooth on your smartphone.
- Open the app and follow the on-screen instructions to search for and pair with your AK86 Smart Watch.
- Confirm the pairing request on both your phone and the watch.

Operating Instructions
Navigation and Interface
- Touch Screen: Swipe left, right, up, or down to navigate through menus and notifications. Tap to select items.
- Side Buttons: Use the physical buttons on the side for quick access to functions like power on/off, back, or shortcut features (e.g., flashlight).

Key Features
- Bluetooth Calling: Make and receive calls directly from your watch after pairing with your smartphone.
- Sports Modes: Access over 100 sports modes including walking, running, hiking, cycling, skiing, elliptical, and rowing. Track your activity data in real-time.
- Health Monitoring:
- Heart Rate Monitor: Continuously track your heart rate.
- Sleep Monitor: Automatically senses sleep status, records duration, depth, and quality.
- Blood Pressure Monitor: Measure your blood pressure.
- Blood Oxygen Monitor: Monitor your blood oxygen levels.
- Breathing Training: Guided breathing exercises for relaxation.
- Outdoor Flashlight: Activate the built-in flashlight for illumination in dark environments. Features dual white and red light sources, adjustable brightness, and multiple strobe modes including SOS distress signal.
- SOS Alarm: Utilize the red flashing light and alarm sound for emergency situations.
- Voice Assistant: Interact with your watch using voice commands for queries and tasks.
- Music Control: Control music playback on your connected smartphone.
- Weather Display: Get real-time weather updates on your watch.
- Alarm Reminder: Set alarms and receive vibrating reminders.
- Customizable Watch Faces: Personalize your watch with various classic, electronic, and sporty watch faces.



Maintenance
Cleaning
Regularly clean your watch to ensure optimal performance and hygiene.
- Wipe the screen and watch body with a soft, lint-free cloth.
- For stubborn dirt, slightly dampen the cloth with water. Avoid using harsh chemicals or abrasive materials.
- Clean the charging contacts periodically to ensure good connection.
Water Resistance
The AK86 Smart Watch is rated Life Waterproof (IP68). This means it is resistant to splashes, rain, and can withstand immersion in water up to 1.5 meters for up to 30 minutes. It is suitable for daily use and light water activities but not recommended for hot showers, saunas, or diving.

Battery Care
- Avoid fully discharging the battery frequently.
- Store the watch in a cool, dry place when not in use for extended periods.
- Use only the provided charging cable.
Troubleshooting
- Watch not turning on:
- Ensure the watch is fully charged. Connect it to the charger for at least 30 minutes before attempting to power on again.
- Cannot pair with smartphone:
- Make sure Bluetooth is enabled on your phone and the watch is discoverable.
- Ensure the companion app is installed and running.
- Restart both your phone and the watch.
- Check if the watch is already paired with another device. Disconnect if necessary.
- Inaccurate health data:
- Ensure the watch is worn snugly on your wrist, not too tight or too loose.
- Clean the sensors on the back of the watch.
- Environmental factors and individual physiology can affect readings. Consult a medical professional for accurate health assessments.
- Screen unresponsive:
- Try restarting the watch by holding down the side button. If the issue persists, ensure the screen is clean and dry.
Specifications
| Feature | Detail |
|---|---|
| Model | AK86 |
| Brand Name | ESTG |
| Display Size | 2.01 inches |
| Resolution | 320*385 |
| Screen Material | TFT (IPS Retina) |
| Touch Screen | Yes |
| CPU Model | 8773EWE (MediaTek) |
| Bluetooth Version | 5.0 |
| Battery Capacity | >450mAh (1400mAh stated in images) |
| Battery Life (Daily Use) | 5-7 days |
| Battery Life (Standby) | 90 days |
| Charging Time | 2 hours |
| Waterproof Grade | Life Waterproof (IP68) |
| Case Material | Alloy |
| Band Material | Fine Steel / Silicone |
| Compatibility | iOS, Android OS (All Compatible) |
| Metrics Measured | Heart Rate, Sleep, Blood Pressure, Blood Oxygen |
| Activity Tracked | Steps, Calories, Activity |
| Functions | Passometer, Sleep Tracker, Week, Heart Rate Tracker, Answer Call, Dial Call, Remote Control, Push Message, Alarm Clock, Fitness Tracker, Message Reminder, Call Reminder, Flashlight, SOS |
| Application Age Group | Adult |
| Certification | CE |
For a detailed user manual, please refer to the official PDF document.
User Tips
- Optimize Battery Life: While the watch boasts a large battery, disabling unnecessary notifications and reducing screen brightness can further extend daily usage.
- Explore Watch Faces: Experiment with different watch faces to find one that best suits your style and provides the information you need at a glance.
- Regular Syncing: Ensure your watch is regularly synced with the companion app to keep your health and activity data up-to-date and backed up.
- Emergency Features: Familiarize yourself with the one-button flashlight and SOS alarm functions for quick access in outdoor or emergency situations.
Warranty and Support
For warranty information and customer support, please refer to the warranty card included in your package or contact the seller directly. The product typically comes with a standard manufacturer's warranty covering defects in materials and workmanship.
For additional assistance, you may also refer to the comprehensive User Manual (PDF) for detailed instructions and troubleshooting guides.