STF KRONOS TWS PACK User Manual

Product Overview

The KRONOS TWS PACK by STF® is a collection of technology engineered for style and functionality. The smartwatch helps organize your routine, measure activity, and receive notifications, while the STF® earbuds provide superior sound on the go. Experience technology that synchronizes with you, without tangles or complications.

Important Note: This smartwatch is not a medical device. All information generated by any sport or activity with your KRONOS TWS smartwatch is for reference as exercise only and in no way replaces a professional medical diagnosis. Please read this manual carefully to familiarize yourself with all features.

For optimal performance, ensure the smartwatch is fully charged before use.

Package Contents

• Smartwatch: 1 piece
• Wireless Earbuds: 1 pair
• Charging Case: 1 piece
• Charging Cable: 1 piece
• Type-C Charging Cable: 1 piece
• User Guide: 1 piece

Smartwatch Diagram and Specifications

Smartwatch Diagram

1. Touchscreen
2. Multi-function Button / Scroll
3. Strap
4. Charging Terminals
5. Sensor

Smartwatch Specifications

• Wireless Version: 5.3
• Processor: AB5682
• Screen Type: TFT
• Screen Size: 2.01" (5.10 cm)
• Screen Resolution: 240 x 296
• Touch Area: Full Touchscreen
• Protection Grade: IP65
• Battery Capacity: 180 mAh
• Power Input: 5 Vcc 1 A
• Microphone: Yes
• Speaker: Yes
• Battery Life: 5 days
• Standby Time: 7 days
• Compatibility: Android 5.0 / iOS 9.0 and above
• Additional Functions: Wireless calls, music control, remote camera
• Compatible App: Hryfine

Important: Before use, read the manual. Operation is subject to two conditions: 1. This device may not cause harmful interference. 2. This device must accept any interference, including that which may cause undesired operation.

Smartwatch Usage Instructions

Installation of the Application

To get the "Hryfine" app on your phone, scan the QR code provided in this manual. The app is available for iOS and Android devices.

Charging the Battery

To charge your Kronos TWS Pack, align the USB charging base pins with the charging terminals on your smartwatch. Connect the other end of the USB cable to a wall adapter or any USB power source. The charging icon will appear on the screen, and the battery indicator will fill up. Disconnect when fully charged.

Login

To access the application, you need a registered account. You can create a new account or log in using social media credentials or an email address.

Synchronization

To link the Kronos TWS Pack with your phone:

1. Enable Bluetooth on your smartphone and ensure GPS is enabled.
2. Open the "Hryfine" app, fill in the requested information, and select "Me".
3. Select "Search Device", grant requested permissions, and then select your smartwatch model: Kronos TWS Pack.
4. Go to your smartphone's Bluetooth settings, search for devices, select "Kronos TWS Pack", accept permissions, and select "Pair".

Once synchronized, you can answer and make calls from your smartwatch. When connected to the "Hryfine" app, data like weather, notifications, sports, and health data will sync automatically via Bluetooth.

Main Screen Displays

To turn on your smartwatch, press and hold the main side button for 3 seconds. Swipe up, down, left, or right on the main screen for more operational options. Swipe left or right on the main screen to change the display to your preference.

Status Bar

Swipe from bottom to top on the main screen to view the status bar, which includes: Time and date, Weather, Alarm, Fitness Record, Stopwatch, Heart Rate, Sports, Messages.

Messages

Swipe from top to bottom on the main screen to view notification content, including incoming calls, text messages, WhatsApp messages, emails, or any other smartphone application notifications. Note: Only notifications are displayed; they cannot be responded to and will be automatically deleted once viewed.

Application Menu

Access the application menu by pressing the primary left side button or the power button from the main screen. For accurate readings, wear the smartwatch correctly on your wrist.

• Sports: Access various sports modes like running, walking, cycling, climbing, etc.
• Fitness Record: View steps, distance covered, and calories burned.
• Heart Rate: Monitor your heart rate in real-time. Press "Start Measuring" to begin.
• Sleep: Track sleep patterns, duration, and phases to improve sleep habits.
• Blood Oxygen: Measure blood oxygen levels for respiratory health insights. Press "Start Measuring" to begin.
• Blood Pressure: Manually measure blood pressure. Press "Start Measuring" to begin.
• Call Menu: Make and receive calls. Access call history, contacts, and dial pad. Ensure Bluetooth connection to your smartphone.
• Music: Control music playback on your phone.
• Weather: Check current weather conditions and forecasts.
• Calculator: Perform basic calculations.
• Alarm: Set alarms.
• Sedentary Reminder: Notifies you to move after periods of inactivity.
• Stopwatch: Record time during activities.
• Remote Camera: Control your smartphone's camera remotely.
• Voice Assistant: Use voice commands to access phone functions.
• Find My Phone: Activate an audible alarm on your phone to locate it. Requires Bluetooth connection and proximity.
• Games: Play integrated games.
• Settings: Customize smartwatch settings.
• Calendar: Access events and reminders.
• Drink Water Reminder: Receive notifications to stay hydrated.
• Contacts: View phone contacts on the smartwatch.
• Social Media: View notifications from Facebook, Twitter, and WhatsApp.
• Reset: Restart the smartwatch to resolve minor errors.
• Power Off: Turn off the smartwatch.
• Language: Set the system language.
• QR Code: Scan to download the official app.
• App View: Choose the menu display type.
• Display & Brightness: Adjust brightness and screen timeout.
• Night Lamp: Activate a soft screen light, useful as a night light.
• Bluetooth: Manage the smartwatch's connection with your smartphone.
• Factory Restore: Reset the smartwatch to its original settings.
• About: View device technical information.

Earbuds Diagram and Specifications

Earbuds Diagram

1. Earbud LED Indicator
2. Touch Panel
3. Charging Terminals
4. Earbud Case LED Indicator

Earbuds Specifications

• Wireless Version: 5.3
• Wireless Range: 10 m
• Speaker Diameter: 10 mm
• Impedance: 32 ohm
• Frequency Response: 20 Hz - 20 kHz
• Sound Pressure: 92 dBSPL
• Power Input: 5 Vcc 1 A
• Charging Port: Type C
• Battery Capacity (earbud): 40 mAh
• Battery Capacity (case): 360 mAh
• Playback Time: 4 h
• Microphone: Yes

Earbuds Usage Instructions

Charging the Earbuds

The earbuds come partially charged. For the first use, it is recommended to use them until the battery is fully depleted before charging. Use the included Type-C charging cable. The charging indicator light will turn off when fully charged.

Powering On and Off

• To Power On: Remove earbuds from the charging case. You will hear a sound indicating they have turned on.
• To Power Off: Place earbuds back into the charging case. You will hear a sound indicating they have turned off.

Pairing with Wireless Devices

Turn on the earbuds by pressing the touch panel. Keep the earbuds within 60 cm of the device and avoid obstacles. On your device (phone, tablet, laptop, etc.), go to Bluetooth settings and select "KRONOS TWS" to pair. If prompted for a password, use the default "0000". Once paired, they will remain connected unless manually disconnected or the device is restarted.

Audio Playback

• Play/Pause: 1 tap on either earbud (L or R).
• Previous Song: 2 taps on the left earbud (L).
• Next Song: 2 taps on the right earbud (R).
• Volume Up: 3 taps on the right earbud (R).
• Volume Down: 3 taps on the left earbud (L).

Call Control

• Answer Call: 1 tap on either earbud (L or R).
• End Call: Long press on either earbud (L or R).
• Reject Call: Long press on either earbud (L or R).

Automatic Reconnection

If the earbuds have been previously paired with your phone, they will automatically connect when turned on. If earbuds go out of Bluetooth range and return, they will reconnect automatically.

Important Safety and Usage Information

• Read the user manual carefully before first use.
• Wear the smartwatch snugly but not tightly for accurate readings.
• Avoid using earbuds at high volumes to prevent hearing damage.
• Keep devices away from high temperatures and open flames.
• Avoid contact with corrosive substances like saltwater, soda, or chemicals.
• Product compatibility may vary with different brands of phones or devices.
• Bluetooth range is approximately 10 meters but can be affected by obstacles.
• Slight audio transmission delay is normal with wireless technology.
• Do not use earbuds while driving or operating machinery.
• Avoid using devices during high-impact sports or conditions that could cause physical damage.
• Charge devices only with original or certified accessories. Do not overcharge batteries.
• Keep smartwatch and associated apps updated for optimal performance.
• Do not disassemble or attempt to repair the devices yourself. Contact authorized service centers for any issues.
• Ensure Bluetooth is active and devices are within range for a stable connection.
• Do not wear the smartwatch while connected to power or in contact with skin during charging.
• Health monitoring functions are for reference only and do not substitute professional medical advice.

Warranty and Contact Information

Stuffactory, S.A. de C.V. guarantees the purchased product for a term of 5 years against any manufacturing defect from the date of purchase.

Warranty Conditions

• To make the warranty effective, contact Stuffactory via phone at 33 8995 2505 or email at soporte@stuffactory.mx.
• The warranty must be duly sealed and signed by the establishment where the product was purchased.
• Present the purchase ticket clearly showing the purchase date, in good condition without alterations.

Invalid Warranty

• If the product has been used under abnormal conditions (e.g., water exposure, burning, mishandling).
• If the product has not been operated according to the user manual.
• If the product has been opened, altered, or repaired by unauthorized personnel.

If your product has a factory defect covered by the warranty, please contact Stuffactory via phone at 33 8995 2505, WhatsApp at 33 2181 9661, or email at soporte@stuffactory.mx.

You can consult the full manual on our website www.stf.tech or by scanning the QR code.

Support and Customer Service Data

Phone: 33 8995 2505

WhatsApp: 33 2181 9661

Email: soporte@stuffactory.mx

Website: www.stf.tech

Trademarks

Stuffactory®, STF® and their logos are used under exclusive license for Stuffactory, S.A. de C.V.