User's Manual
Table Of Contents
- Important Safety Instructions
- Battery Warnings
- Health Warnings
- Maintenance
- Getting Started What’s in the box
- What’s in this document
- Setting up Your Watch Charging your watch
- Disassembling / Assembling Your Watch Disassembly
- Assembly
- Wearing Your Watch
- Using Your Watch App Installation
- Note:
- Smart Phone System Requirements
- Account Registration and Login
- Pairing the Watch with Your Phone
- Notes:
- App Interfaces
- Watch Interfaces
- Function List
- 1)Tracking Sports
- Start a sport
- Set target
- GPS connecting (Only for outdoor running / outdoor
- During sports
- End the sport
- Notes:
- 2)Recording Training Data
- 3)Monitoring Heart Rate
- Note:
- 4)Measuring Blood Oxygen Level
- 5)Tracking Daily Activity Data
- 6)Tracking Sleep
- 7)Breathing Guide
- 8)Setting Alarms Method 1:
- Note:
- Method 2:
- 9)Controlling Phone Music
- Note:
- 10)More Functions
- Notes:
- •Message Notification
- Notes:
- •Sedentary Reminder
- •Stopwatch
- •Timer
- FAQs
- Occasional failure to connect with Bluetooth
- Failure to receive SMS / calls notifications
- The watch is disconnected from the Letsfit app on
- To reconnect the watch to your smartphone, please
- Blood Oxygen Level Measurement Accuracy
- FCC Statement
1.
Swipe the screen of the watch, and tap "Timer" in the function list to enter the setting
interface.
2.
Choose the countdown time or customize your timer.
Basic Specifications
Model No.: IW2,IW3
Sync: Bluetooth 5.0
Screen: 1.4" TFT LCD
Battery Capacity: 250mAh
Working Voltage: 5V-500 mA
Working Temperature: -10
℃
to 40
℃
Weight: 1.34oz (38g)
Waterproof Rating: IP68
Working Time: about 10 days
FAQs
Failure to pair the watch with the Letsfit app on your smartphone again
●
Swipe the screen of watch and tap "Settings" to enter settings mode. Tap "System Menu" and
choose "Factory Reset". The information on the watch will be reset and the watch will be
restarted.
●
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.
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 "Settings" page → "+ Pair new device" → "IW2,
IW3"
→ tap "Search Devices").
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 SMS / calls notifications
Calls / SMS 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 Letsfit app, 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 "Settings" page → "IW2, IW3" → "Notification alerts",
turn on "Notification alerts".
4.
Make sure the "Do not disturb" function is not enabled in the app or the watch.
The watch is disconnected from the Letsfit app on your smartphone
The watch will disconnect from your smartphone in the following cases:
1.
Smartphone Bluetooth is off or exceeds the Bluetooth connection range (the maximum