Letsfit EW4 User Manual
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Letsfit EW4 User Manual

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Thank you for purchasing our products. This manual addresses the
safety guidelines, warranty, and operating instructions. Please
review this manual thoroughly before operating your device.
All pictures in this manual are for illustration purpose only. Actual product
may vary due to product firmware upgrade and app upgrade.
EW4
Smart Watch
User Manual
Mon

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Summary of Contents for Letsfit EW4

  • Page 1 Smart Watch User Manual Thank you for purchasing our products. This manual addresses the safety guidelines, warranty, and operating instructions. Please review this manual thoroughly before operating your device. All pictures in this manual are for illustration purpose only. Actual product may vary due to product firmware upgrade and app upgrade.

  • Page 2: Table Of Contents

    CONTENTS Getting Started What’s in the Box What’s in this Document Setting up Your Watch Charging Your Watch Disassembling / Assembling Your Watch Wearing Your Watch Using Your Watch App Installation Account Registration and Login Pairing the Watch with Your Phone App Interfaces Getting to Know Your Watch Button Controls...

  • Page 3: Getting Started

    Letsfit app, where you can get detailed information on your stats, view historical trends, log sleep, and more. As soon as setup is complete, you’re ready to start moving. The remainder of the manual walks you through every function on your EW4. Setting up Your Watch Charging Your Watch Please fully charge your watch before initial use.

  • Page 4: Disassembling / Assembling Your Watch

    When the watch shows that the battery is low, connect the watch to a USB port with 5V-500mA. While the watch charges, there is a battery progress bar on the screen and you can check the battery level at any time. 4.
  • Page 5 3. Repeat on the other side. Assembly 1. To reattach the wristbands, slide the pin (the side opposite the quick-release lever) into the notch on the watch. Attach the wristband with the clasp to the top of the watch. 2. While pressing the quick-release lever inward, slide the other end of the wristband into place.

  • Page 6: Wearing Your Watch

    Wearing Your Watch All-day Wear and Exercise For all-day wear when you’re not exercising, wear the device on your wrist horizontally, a finger’s width below your wrist bone and lying flat, the same way you would put on a watch. For optimized heart rate tracking, keep these tips in mind: 1.

  • Page 7: Using Your Watch

    Using Your Watch App Installation Use the watch with our customized Letsfit app. You can download Letsfit from App Store / Google Play or scan the QR codes below to download. Android Letsfit Note: Letsfit app is only compatible with smartphones, not tablets or PCs.

  • Page 8: Account Registration And Login

    Account Registration and Login Please register an account with a valid email address. After registration, check your email box to complete email verification, and then tap "Verified" to log in. - 6 -...

  • Page 9: Pairing The Watch With Your Phone

    "Device" page, tap "+ Pair new device". 3. Tap , and your smartphone starts scanning. 4. Use the Letsfit app to scan the QR code on the watch screen. 5. Tap "√" on the watch to connect the watch to your smartphone. 15 : 05...
  • Page 10 Notes: ● You can also search this device in the app to pair (Go to the "Device" page → "+ Pair new device" → tap "EW4" under "Search Devices"). ● Once the watch is connected to your app, the watch will automatically search and reconnect itself if the connection is lost or when Bluetooth is restarted after manual disconnection.

  • Page 11: App Interfaces

    App Interfaces Swipe down to sync data. Daily Target Value Summary Daily Workout Daily Active Hours Daily Steps Minutes - 9 -...
  • Page 12 Training Device When you start a sport mode on Tap "EW4", you can your watch, detailed data and customize call / message / graphs will be displayed here alarm alert or set other after the exercise is over (swipe parameters.

  • Page 13: Getting To Know Your Watch

    Getting to Know Your Watch Button Controls Up button ● Press to wake the screen, go to the function list, return to the home screen, or pause/resume the sport. ● Hold to end the sport mode or power on/off the watch. Down button ●...
  • Page 14 2) Swipe left/right to choose one and tap to confirm. Method 2 (in the app): 1) Open the Letsfit app, go to the "Settings" page → "EW4" → tap "Watch Faces". 2) Select a watch face or choose a photo in your phone album to display on the home screen.

  • Page 15: Function List

    Function List Tracks your exercise Guides your data in up to 14 sports breathing for a modes. Choose the relaxation. mode that you want to start on the watch. Records your daily Use the stopwatch training data. to make your exercise more standardized.

  • Page 16: Tracking Sports

    1. Tracking Sports The watch tracks your exercise data in up to 14 sports modes. Start a sport Press the down button to go to the Training interface → Swipe the screen to select a sports mode you want to start. Set a target Before beginning an exercise, you can set training goals such as distance, duration,...
  • Page 17 When you start an outdoor sport, the watch begins searching GPS signal. Please let the Letsfit app run in the background and allow the location services on your phone, then move to an open area and stand still to better receive the signal.

  • Page 18: Tracking Daily Activity Data

    Notes: ● After ending an exercise, you can view detailed data and graphs in the app (Go to the "Training" page, swipe down the page to synchronize data, and tap the exercise you just ended). ● After you finish the exercise in GPS mode, your movement route will be displayed in the app (Go to the "Training"...

  • Page 19: Tracking Sleep

    4. Tracking Sleep The watch automatically tracks your sleep duration and consistency with a comprehensive analysis of sleep quality data. Tap "Sleep" in the function list so you can check your sleep records and improve your routine. Sleep Sleep Blood Oxygen 22:30 06:30 Stress...

  • Page 20: Breath Training

    2) When measuring, keep your arm flush with your chest and the watch screen facing up. Keep your arm still to ensure the accuracy of the data. Stress Sleep Blood Oxygen Min 12 Stress 7. Breath Training Tap "Breath training" in the function list to enter breathing mode. Select the rhythm and duration of the breathing training.

  • Page 21: Controlling Phone Music

    Method 2 (In the app): 1) Go to the "Settings" page in the Letsfit app and tap "EW4". 2) Tap "Sleep Alarm" to enter the alarm setting interface. 3) Tap "Add" to add an alarm. 4) Set the alarm time, title, vibration period and repeat days.

  • Page 22: Message Notification

    ● When the "Do not disturb" function is enabled in the app ("Settings" page → "EW4" → "Do Not Disturb") or on the watch (Status bar → ), messages will not be notified on the watch during the do-not-disturb period.

  • Page 23: Faqs

    1. Tap "Settings" → "Reset" on the watch, and tap "√" to confirm. 2. Use the Letsfit app to scan the QR code displayed on your watch to pair. If you still fails to connect the watch to the app, please kindly take the following steps: 1.
  • Page 24 (the maximum Bluetooth connection range is 10 meters and can easily be reduced by walls, furniture, etc.) 2. The Letsfit app is closed on the phone. (This can occur automatically under certain circumstances.) To reconnect the watch to your smartphone, please kindly take the following steps: 1.

  • Page 25: Warranty

    Warranty We strive to build our products with the highest attention to detail and craftsmanship. However, sometimes there are occurrences of a defect, so we are happy to offer a ONE-year hassle-free warranty on all our devices as we continue to make amazing products.
  • Page 26 Battery Warnings A lithium-ion battery is used in this device. If these guidelines are not followed, batteries may experience a shortened life span or may cause fire, chemical burn, electrolyte leakage, and/or injury. • Do not disassemble, modify, remanufacture, puncture or damage the device or batteries.
  • Page 27 • If the watch gets stained or contains any foreign materials, wipe it with a moistened, soft bristle toothbrush. Avoid certain cleaning substances and products. • Do not use soap, cleaning agents, abrasive materials, or compressed air to clean your watch.
  • Page 28 Europe business name: AMZLAB GmbH Europe business address: Laubenhof 23, 45326 Essen, Germany Europe phone number: +491745298066...

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