How to Guide
Device Information
Charging the Device
 WARNING
This device contains a lithium-ion battery. See the Important 
Safety and Product Information guide in the product box for 
product warnings and other important information.
NOTICE
To prevent corrosion, thoroughly clean and dry the contacts and 
the surrounding area before charging or connecting to a 
computer. Refer to the cleaning instructions in the appendix.
1
Plug the small end of the USB cable into the charging port on 
your device.
2
Plug the large end of the USB cable into a USB port on your 
computer.
3
Charge the device completely.
Product Updates
On your computer, install Garmin Express (www.garmin.com
/express). On your smartphone, install the Garmin Connect 
Mobile app.
This provides easy access to these services for Garmin devices:
• Software updates
• Data uploads to Garmin Connect
• Product registration
Updating the Software Using Garmin Connect Mobile
Before you can update your device software using the Garmin 
Connect Mobile app, you must have a Garmin Connect account, 
and you must pair the device with a compatible smartphone 
(Pairing Your Smartphone, page 2).
Sync your device with the Garmin Connect Mobile app (Using 
Garmin Connect Mobile, page 13).
When new software is available, the Garmin Connect Mobile 
app automatically sends the update to your device. The 
update is applied when you are not actively using the device. 
When the update is complete, your device restarts.
Updating the Software Using Garmin Express
Before you can update your device software, you must 
download and install the Garmin Express application and add 
your device (Using Garmin Connect on Your Computer, 
page 13).
1
Connect the device to your computer using the USB cable.
When new software is available, the Garmin Express 
application sends it to your device.
2
After the Garmin Express application finishes sending the 
update, disconnect the device from your computer.
Your device installs the update.
Viewing Device Information
You can view the unit ID, software version, regulatory 
information, and license agreement.
1
Hold the touchscreen.
2
Select Settings > System > About.
Specifications
Battery type Rechargeable, built-in lithium-polymer battery
Battery life Up to 7 days in smartwatch mode (with heart 
rate)
Up to 13 hr. in GPS mode
Operating 
temperature range
From -20º to 50ºC (from -4º to 122ºF)
Charging 
temperature range
From 0º to 45ºC (from 32º to 113ºF)
Wireless frequencies/
protocols
2.4 GHz @ 0dB nominal
ANT+ wireless communications protocol
Bluetooth Smart wireless technology
Water rating Swim, 5 ATM*
*The device withstands pressure equivalent to a depth of 50 m. 
For more information, go to www.garmin.com/waterrating.
Device Care
NOTICE
Avoid extreme shock and harsh treatment, because it can 
degrade the life of the product.
Avoid pressing the keys under water.
Do not use a sharp object to clean the device.
Never use a hard or sharp object to operate the touchscreen, or 
damage may result.
Avoid chemical cleaners, solvents, and insect repellents that can 
damage plastic components and finishes.
Thoroughly rinse the device with fresh water after exposure to 
chlorine, salt water, sunscreen, cosmetics, alcohol, or other 
harsh chemicals. Prolonged exposure to these substances can 
damage the case.
Do not store the device where prolonged exposure to extreme 
temperatures can occur, because it can cause permanent 
damage.
Cleaning the Device
NOTICE
Even small amounts of sweat or moisture can cause corrosion 
of the electrical contacts when connected to a charger. 
Corrosion can prevent charging and data transfer.
1
Wipe the device using a cloth dampened with a mild 
detergent solution.
2
Wipe it dry.
After cleaning, allow the device to dry completely.
TIP: For more information, go to www.garmin.com/fitandcare.
Replacing the Bands
The device is compatible with 20 mm wide bands. Go to 
buy.garmin.com, or contact your Garmin dealer for information 
about optional accessories.
1
Slide the quick-release pin 
À
 on the spring bar to remove the 
band.
18 Device Information










