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
2)
Open the Letsfit app on your smartphone and go to the "Settings" page, tap "+ Pair new
device", then your smartphone starts searching devices.
3)
Tap "IW2, IW3", and your smartphone starts scanning.
4)
Use the Letsfit app to scan the QR code on the watch screen to connect the watch to your
smartphone.
Notes:
•
You can also search this device in the app to pair (Go to "Settings" page → "+ Pair new
device" → "IW2, IW3" → tap "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.
• If you unpair the watch with the app, the information on the watch will be reset and the
watch will be restarted. Please do not unpair the watch with the app 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 is within 0.5 meters distance.
App Interfaces