DAS-4 SG18 User Manual

Product Overview

The DAS-4 SG18 is a modern smartwatch designed for fitness tracking and health monitoring. The device features a circular display and a comfortable strap.

Visual Description: The front of the smartwatch displays a digital interface showing time, date (DEC 28 SATDAY), battery level (100%), and heart rate (89 BPM). The watch has a black casing and strap.

Operation Guide

Home button: Long press to power ON/OFF; short press to lighten the screen.

Touch instructions:

Tap to enter.
Swipe right to return.
Slide down from the home screen to enter the status bar.
Slide right to enter Multiple sport mode.
Slide left to enter the main menu.
Slide up to access the notification center.

Changeable band: The band can be detached or attached by sliding the switch pin located at the connection between the watchcase and the band to the middle.

Charging instruction: This product uses magnetic force charging. It supports 5V mobile phone chargers and computer USB interfaces. Connect the charging cable to the back of the device's charging pins; it will charge automatically. A full charge typically takes 2 hours. The device offers up to 30 days of standby time and 5-10 days of working time. Do not use the watch while charging.

[warning] You must place the magnetic charger correctly at the pins. Misalignment may cause the circuit to burn.

Connecting to Your Phone

To connect the watch to your smartphone, download the "Wearfit 2.0" application using one of the following methods:

Android / iOS: Scan the provided QR code using any scanner app to download "Wearfit 2.0 Pro".
Android Phone: Search for and download the "WearFit 2.0" app from Google Play.
iOS Phone: Search for and download the "WearFit 2.0" app from the App Store.

After installation, turn on your phone's Bluetooth and open the "WearFit 2.0" App. Ensure all requested notifications and permissions are enabled. Bind the bracelet by finding the "S20" device. Note: Some phone brands require GPS to be turned on before binding. Then, tap 'connect'.

Firmware upgrade: When Bluetooth is connected, navigate to 'Mine' > 'Device management' > 'Firmware update' within the "WearFit 2.0" app. If new firmware is available, click to update to the latest version.

Upgrade Notice: If an upgrade is unsuccessful, wait for the watch battery to deplete, charge it again, reboot the watch, search for the Bluetooth device "Huntersun-BLE", connect, and attempt the upgrade again.

Connectivity Issues: Due to variations in Bluetooth versions across different smartphones, if you encounter connectivity problems, try restarting your phone's Bluetooth service and then attempt to connect again.

Main Features

Language/Time/Date: These settings synchronize automatically when the watch is successfully connected to your smartphone.
Standby watch face: You can change the watch face by pressing and holding the screen for 2 seconds, then selecting your preferred watch face.
Status bar: Slide down from the home screen to access the status bar, which displays Bluetooth status, a QR code (for downloading "WearFit 2.0"), brightness adjustment, and battery charge level.
Notifications: Slide right to view notifications. The watch synchronizes notifications from your phone, including calls, WhatsApp, SMS, and WeChat messages. It can display the most recent 8 alerts. The watch vibrates for incoming calls and messages. You can also decline a call directly from the watch.
Pedometer, Distance, Calorie: Monitors daily steps, mileage, and calories burned. Data resets at 12 o'clock each day. The watch stores 7 days of records.

Sports Modes

Select a sport from the multiple sports modes to start. Slide right to pause the exercise. The watch records duration, calorie consumption, and heart rate data for each activity.

Health Care

Heart rate: When activated, the heart rate is measured using green optical diodes that scan the capillary of the skin. Allow approximately 2 seconds for measurement and recording. Slide to other menus to stop measuring. Average BPM varies based on age, gender, and physical condition. Consult a doctor for further information. Please note: This device is not a medical device. All values shown are for reference only.
Blood pressure: Place your hands flat on a surface and remain still. This function requires approximately 45-50 seconds to provide a result. Please note: This device is not a medical device. All values shown are for reference only.
ECG: The device uses an optical heart rate sensor and an ECG sensor to provide information about the user's heart function. Activation requires about 30 seconds for measurement and reading. Please note: This device is not a medical device. All values shown are for reference only.
Blood Oxygen: Measures blood oxygen (SpO2H) level, which indicates the amount of oxygen circulating in the blood. Refer to online resources or a medical practitioner for information on healthy or abnormal blood oxygen percentages for your age group and gender. Please note: This device is not a medical device. All values shown are for reference only.
Sleep monitor: Sleep monitoring is automatically active from 10:00 PM to 8:00 AM the following morning. Detailed sleep quality information can be viewed in the WearFit2.0 app on your phone.
Stopwatch: Press the start/pause button to begin timing, and press it again to stop.

Additional Functions

Remote control music: Play music on your phone and control playback from the watch.
Remote camera: In the WearFit 2.0 app, tap '+' to enter the camera function. Shake the watch to take a photo.
About: Tap to view device model, firmware version, and Bluetooth address.
Reset: Tap to reset all data to factory settings.
Alarm: Set multiple alarm clocks via the app on your phone.
Sedentary Reminder: Set reminders to prompt you to stand up.
Find your phone: Tap this function, and your phone will emit a ringtone alert.
Wrist bright screen: Enable this feature in the app. Note that it consumes more power when active.
Units Setup: Choose between Metric or Imperial systems.
Data transmission: All data, including pedometer, heart rate, sleep quality, and sports mode information, can be transmitted to the WearFit 2.0 app on your phone.

Warranty Information

DAS-4 does not offer free warranty under the following conditions:

Disassembly or refitting of the product.
Damage caused by accidental drops.
All artificial damage or misuse, including but not limited to water ingress, external force damage, or scratches on components. These are considered beyond the scope of the warranty.

To claim a free warranty, you must provide a warranty card with the purchase place and date clearly indicated.

If you encounter problems during use, please contact the customer service of the shop where you purchased the product.

IP68 Rating

[dust] Dustproof and [water-drop] Accidental contact with fresh water – suitable for hand washing.

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