Letsfit E22 Bluetooth Smart Watch User Manual

Letsfit E22 Bluetooth 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 purposes only. Actual products may vary due to product firmware upgrades and app upgrades.

What’s in the Box 

Setting up Your Watch

Assembling Your Watch
Push the bands in following the direction of the arrow.

Charging Your Watch

Please fully charge your watch before its initial use.

1. Insert the USB plug into the charging cable into a USB charger.
   
2. Attach the other end to the charging contacts on the back of the watch. Make sure the pins on the charging cable lock securely with the port. The connection is secure when the battery icon with percent charged appears on the screen.

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. Experiment with wearing the watch higher on your wrist during exercise. Because the blood flow in your arm increases the farther up you go, moving the watch up a couple of inches can improve the heart rate signal. Also, many exercises such as bike riding or weight lifting require you to bend your wrist frequently, which is more likely to interfere with the heart rate signal if the watch is lower on your wrist.
   
2. Do not wear your watch too tight. A tight band restricts blood flow, potentially affecting the heart rate signal. This being said, the watch should also be slightly tighter (snug but not constricting) during exercise than during all-day wear/

Pair Your Watch

Install Letsfit App on your smartphone
You can download the Letsfit App from the Apple Store / Google Play or scan the QR codes below to download.

Account Registration and Login
Please register an account with a valid phone number. After registration, and then tap “Verified” to log in.

Pair the Watch with Your Phone

1. Turn on the Bluetooth of your phone.
   
2. Open the Letsfit App. Go to the “Device” page and tap “Pair device”.
   
3. Tap and scan the QR code on the watch to pair.
   
   ORtap “E22” to search the device for pairing.

Notes:

• 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.
• If the watch is unbound from the app, the information on the watch will be reset and the watch will be restarted. Please do not unbind the connection unless there is an issue that will require a reset.
• The watch can only pair with one smartphone at a time. When pairing, please ensure the watch and your smartphone are within 0.5 meters distance.

App Interfaces 

Getting to Know Your Watch

Customize the Home Screen
After the watch is paired with your phone, the home screen will display the time and date. You can customize the home screen by following the steps below :

1. Press and hold the watch home screen for two seconds.
2. Swipe left / right to choose one and tap to confirm.

Function Introduction

Tracking Daily Activity Data

Tap ” Health” and tap “ Activity” in the function list. The watch tracks your all-day activity data, including steps, distance, calories burned, etc.

Monitoring Heart Rate

Tap ” Health” and tap “ Heart Rate” in the function list, the watch will automatically measure your real-time heart rate. You can also view your all-day heart rate data in the heart rate interface of the watch or in the app.

Note:
To monitor heart rate more accurately, wear the watch on the upper position of your wrist and a bit tighter than usual when you exercise. In addition, complete your profile in the app.

Measuring Blood Oxygen Level

Tap ” Health” and tap “ Blood Oxygen” to enter the blood oxygen level detection mode.

Note:
Before measuring, wear the watch two fingers below the wrist bone and a bit tighter than usual. 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.

Tracking Sports

The watch tracks your exercise data in workout modes. Start a sport Tap “Workouts” → Swipe the screen to select a sports mode you want to start. Set goals Before beginning an exercise, you can tap “Set Goals” to set training goals such as time, distance, calories burned, etc.

GPS connecting
(Only for some outdoor sports modes) 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. After the GPS is connected, the countdown interface will be displayed, and then you can start training. Set Goals Start When the GPS signal is weak, you can start outdoor cycling, outdoor running, and outdoor walking in non-GPS mode. Your movement track will not be displayed in your training record after the exercise is ended.

During sports
Swipe the screen up or down to flip through exercise data. Swipe the screen to the left so you can control the music playing on your phone.

End the sport
Press the function button and tap “End” to end the sport.

Notes:

• After ending an exercise, you can view detailed data and graphs in the app (Go to the “Summary” page, swipe down the page to synchronize data and tap the exercise you just ended).
• After you finish the outdoor cycling, outdoor running, or outdoor walking exercise in GPS mode, your movement track will be displayed in the app (Go to the “Summary” page of the app, and then tap on the exercise you just ended to view).
• Data of exercises less than 2 minutes will not be saved.
• When the battery level is less than 10%, the watch enters low battery mode, in which you cannot start a sports mode. Please charge the watch to operate it again.

Bluetooth Phone Call

You can make and answer calls using the Watch! Just make sure your watch is connected via Bluetooth(Connected for calls).

Answer incoming calls with your watch
When a call comes in, you can answer the call by tapping the green phone icon, to ignore a call, just tap the red phone icon the call will be declined.

Make a call from your watch
On your watch, select ” Phone” in the function list. Tap the “Dial Pad” icon to dial a number, or tap the “Contacts” icon to select a specific contact. When you’re ready, tap the green phone icon to make a call.

Set Favorite Contacts
Go to the “Device” page in the Letsfit app, and tap “Favorite Contacts” to set favorite contacts.

Basic Specifications

• Model No.: E22
• Sync: Bluetooth 5.3
• Screen: TFT LCD
• Battery Capacity: 300mAh
• Working Voltage: 5V-500mAh
• Working Temperature: -10℃ to 40℃
• Waterproof Rating: IP68
• Working Time: 6-8 days

FAQs

Failure to repair the watch with the Letsfit app on your smartphone

1. Swipe up the home screen of the watch tapand choose “Reset”. The information on the watch will be reset and the watch will be restarted.
2. Select the watch language on the watch and enter the QR code interface as instructed.
3. Use the Letsfit app to scan the QR code displayed on your watch to pair.

If you still fail to connect the watch to the app, please kindly take the following steps:

1. Make sure your smartphone’s Bluetooth is enabled and make sure the watch is not connected to other smartphones.
2. Search this device in the app to pair (Go to the “Device” page → “Pair device” → “E22”).
3. Make sure the distance between your smartphone and the watch does not exceed 0.5 meters and keep the watch screen always on when pairing.

Occasional failure to connect with Bluetooth
Reboot your smartphone or restart your smartphone’s Bluetooth.

Failure to receive message / call notifications Message/call notification

function works when the watch connects to your smartphone via the app. Please kindly refer to the following tips:

1. Go to your smartphone Settings, find the Letsfit app, and enable the Location and all Notifications.
2. Enable your phone’s Bluetooth and go to the Letsfit app to pair the watch.
3. Open the app. Go to the “Device” page → “Notification Alerts”, and turn on “Notification Alerts”.
4. Make sure the “Do Not Disturb” function is not enabled on the watch.

Blood Oxygen Level Measurement Accuracy
The Blood oxygen level will be affected by factors such as motion, watch placement on the wrist, skin temperature, and skin perfusion. These factors will cause fluctuations in blood oxygen measurements. For a single measurement on the watch, please wear the watch a finger-width below the wrist bone, snug but comfortable on your wrist.

When measuring, stay still and make sure your wrist is flat with the watch facing up. If you are sitting, you can rest your arm on a table with the watch facing up. The smartwatch blood oxygen sensor isn’t a medical device and won’t be able to diagnose or monitor any medical conditions. If there is a problem with the measurement, we recommend you consult your doctor.

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. Please contact us if you have any questions about our devices.

Important Safety Instructions

The device contains electrical equipment that may cause injury if not used properly. For example, prolonged contact may contribute to skin allergies for some users. To reduce irritation, please read the safety guidelines on the following pages to ensure proper use and care.

• Do not expose your device to liquid, moisture, humidity, or rain while charging; do not charge your device when it is wet, as this may result in electrical shock and injury.
• Keep your device clean and dry. Do not use abrasive cleaners to clean your device.
• Consult your doctor before use if you have any preexisting conditions that might be affected by using this device.
• Do not wear it too tight. If your device feels hot or warm, or if it causes any skin irritation or other discomforts, please discontinue using your device and consult your doctor.
• Do not expose your watch to extremely high or low temperatures.
• Do not leave your watch near open flames such as cooking stoves, candles, or fireplaces. This product is NOT a toy – never allow children or pets to play with this product. Always store the product out of the reach of children. The devices themselves or the many small parts they contain may cause choking if ingested.
• Never try to abuse, crush, open, repair, or disassemble this device. Doing so will void the warranty and can result in a safety hazard.
• If any parts of your product require replacement for any reason, including normal wear and tear or breakage, please contact us.
• Do not use your device in a sauna or steam room.
• Dispose of this device, the device’s battery, and its package in accordance with local regulations.

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 burns, electrolyte leakage, and/or injury.

• Do not disassemble, modify, remanufacture, puncture, or damage the device or batteries.
• Do not remove or attempt to remove the non-user-replaceable battery.
• Do not expose the device or batteries to fire, explosion, or other hazards.

Health Warnings

• If you have a pacemaker or other internal electronic device, consult your physician before using a heart rate monitor.
• The optical wrist heart rate monitor emits a green light and flashes occasionally. Consult your physician if you have epilepsy or are sensitive to flashing lights.
• Always consult your physician before beginning or modifying any exercise program.
• The device, accessories, heart rate monitor, blood oxygen level measurement, and related data are intended to be used only for general fitness and wellness purposes, not for medical purposes, and are not intended to diagnose, monitor, treat, cure, or prevent any disease or condition.
• The heart rate and blood oxygen level readings are for reference only, and no responsibility is assumed for the consequences of any false readings.
• While the optical wrist heart rate monitor technology typically provides the best estimate of a user’s heart rate, there are inherent limitations with the technology that may cause some of the heart rate readings to be inaccurate under certain circumstances, including the user’s physical characteristics, the fit of the device, and type and intensity of activity.

Maintenance

• Regularly clean your wrist and the smartwatch, especially after sweating during exercise or being exposed to substances such as soap or detergent which may adhere to the internal side of the watch.
• Do not wash the watch with household cleanser. Please use soapless detergent, rinse thoroughly, and wipe with a soft towel or napkin.
• While the watch is water resistant, wearing a wet band is not good for your skin.
• If your bands get wet—for example after sweating or showering—clean and dry them thoroughly before putting them back on your wrist.
• Be sure your skin is dry before you put your bands back on.
• Do not bring your device into contact with any sharp objects, as this could cause scratches and other damage.
• For light-colored arm bands, minimize direct contact with dark-colored clothing, as color transfer can occur.

REFERENCE LINK

https://letsfit.com/