Time to slow down
Make room for a quieter moment at the end of the day.
















Health readings are for general wellness reference, not medical diagnosis or treatment.
App: G BandCompatibility & care
Choose a watch for each of you. Two individual watches, one easy add.
$100.00 USD
Available
$100.00 USD
Available
Combined item price. Final total shown at checkout.
View cart →ET491
Make room for a quieter moment at the end of the day.
Take a short pause between the busy parts of your day.
Choose a workout and keep your activity in view.
Bring everyday activity into focus.
Scene 1 of 4
ET491
Make room for a quieter moment at the end of the day.
Take a short pause between the busy parts of your day.
Choose a workout and keep your activity in view.
Bring everyday activity into focus.
Scene 1 of 4
ET491
Make room for a quieter moment at the end of the day.
Take a short pause between the busy parts of your day.
Choose a workout and keep your activity in view.
Bring everyday activity into focus.
Scene 1 of 4
ET491
Make room for a quieter moment at the end of the day.
Take a short pause between the busy parts of your day.
Choose a workout and keep your activity in view.
Bring everyday activity into focus.
Scene 1 of 4
ET491
Make room for a quieter moment at the end of the day.
Take a short pause between the busy parts of your day.
Choose a workout and keep your activity in view.
Bring everyday activity into focus.
Scene 1 of 4
ET491
Make room for a quieter moment at the end of the day.
Take a short pause between the busy parts of your day.
Choose a workout and keep your activity in view.
Bring everyday activity into focus.
Scene 1 of 4
DESIGN
A rounded case and side crown give ET491 its familiar, easy-to-wear form.
DESIGN
A rounded case and side crown give ET491 its familiar, easy-to-wear form.
DESIGN
A rounded case and side crown give ET491 its familiar, easy-to-wear form.
DESIGN
A rounded case and side crown give ET491 its familiar, easy-to-wear form.
DESIGN
A rounded case and side crown give ET491 its familiar, easy-to-wear form.
DESIGN
A rounded case and side crown give ET491 its familiar, easy-to-wear form.
UP CLOSE
The rear sensor window, side crown and selected band finish, shown in detail.
UP CLOSE
The rear sensor window, side crown and selected band finish, shown in detail.
UP CLOSE
The rear sensor window, side crown and selected band finish, shown in detail.
UP CLOSE
The rear sensor window, side crown and selected band finish, shown in detail.
UP CLOSE
The rear sensor window, side crown and selected band finish, shown in detail.
UP CLOSE
The rear sensor window, side crown and selected band finish, shown in detail.
YOUR STYLE
Choose your case and band finish.
Rose-gold case with pink silicone band.
Currently unavailable
Choose this styleAMOLED DISPLAY
The 1.32-inch AMOLED display brings time and everyday information into focus.
1.32-inch AMOLED
HEART RATE
Open heart rate on ET491 for a check-in. Review your records in the connected G Band app. The wave is decorative; readings are for reference, not diagnosis or treatment.
ON-DEMAND ECG
Start an ECG recording on the watch with its rear contact against your wrist and a finger on the side electrode. Review the record in the connected G Band app. For reference only; not for diagnosis.
On demand
EVERYDAY ACTIVITY
Keep steps, distance and estimated calories in view, and choose a workout mode for your next session. Device-screen values are illustrative examples.
AMOLED DISPLAY
The 1.32-inch AMOLED display brings time and everyday information into focus.
1.32-inch AMOLED
HEART RATE
Open heart rate on ET491 for a check-in. Review your records in the connected G Band app. The wave is decorative; readings are for reference, not diagnosis or treatment.
ON-DEMAND ECG
Start an ECG recording on the watch with its rear contact against your wrist and a finger on the side electrode. Review the record in the connected G Band app. For reference only; not for diagnosis.
On demand
EVERYDAY ACTIVITY
Keep steps, distance and estimated calories in view, and choose a workout mode for your next session. Device-screen values are illustrative examples.
AMOLED DISPLAY
The 1.32-inch AMOLED display brings time and everyday information into focus.
1.32-inch AMOLED
HEART RATE
Open heart rate on ET491 for a check-in. Review your records in the connected G Band app. The wave is decorative; readings are for reference, not diagnosis or treatment.
ON-DEMAND ECG
Start an ECG recording on the watch with its rear contact against your wrist and a finger on the side electrode. Review the record in the connected G Band app. For reference only; not for diagnosis.
On demand
EVERYDAY ACTIVITY
Keep steps, distance and estimated calories in view, and choose a workout mode for your next session. Device-screen values are illustrative examples.
AMOLED DISPLAY
The 1.32-inch AMOLED display brings time and everyday information into focus.
1.32-inch AMOLED
HEART RATE
Open heart rate on ET491 for a check-in. Review your records in the connected G Band app. The wave is decorative; readings are for reference, not diagnosis or treatment.
ON-DEMAND ECG
Start an ECG recording on the watch with its rear contact against your wrist and a finger on the side electrode. Review the record in the connected G Band app. For reference only; not for diagnosis.
On demand
EVERYDAY ACTIVITY
Keep steps, distance and estimated calories in view, and choose a workout mode for your next session. Device-screen values are illustrative examples.
AMOLED DISPLAY
The 1.32-inch AMOLED display brings time and everyday information into focus.
1.32-inch AMOLED
HEART RATE
Open heart rate on ET491 for a check-in. Review your records in the connected G Band app. The wave is decorative; readings are for reference, not diagnosis or treatment.
ON-DEMAND ECG
Start an ECG recording on the watch with its rear contact against your wrist and a finger on the side electrode. Review the record in the connected G Band app. For reference only; not for diagnosis.
On demand
EVERYDAY ACTIVITY
Keep steps, distance and estimated calories in view, and choose a workout mode for your next session. Device-screen values are illustrative examples.
AMOLED DISPLAY
The 1.32-inch AMOLED display brings time and everyday information into focus.
1.32-inch AMOLED
HEART RATE
Open heart rate on ET491 for a check-in. Review your records in the connected G Band app. The wave is decorative; readings are for reference, not diagnosis or treatment.
ON-DEMAND ECG
Start an ECG recording on the watch with its rear contact against your wrist and a finger on the side electrode. Review the record in the connected G Band app. For reference only; not for diagnosis.
On demand
EVERYDAY ACTIVITY
Keep steps, distance and estimated calories in view, and choose a workout mode for your next session. Device-screen values are illustrative examples.
Start a recording on the watch, then review the record in the connected G Band app. For reference only, not diagnosis.
Illustrative device screens. Values shown are examples.
View steps, distance and estimated activity data on your watch.
Illustrative device screens. Values shown are examples.
Switch between available watch faces to match your style.
Illustrative device screens. Values shown are examples.
Start a recording on the watch, then review the record in the connected G Band app. For reference only, not diagnosis.
Illustrative device screens. Values shown are examples.
View steps, distance and estimated activity data on your watch.
Illustrative device screens. Values shown are examples.
Switch between available watch faces to match your style.
Illustrative device screens. Values shown are examples.
Start a recording on the watch, then review the record in the connected G Band app. For reference only, not diagnosis.
Illustrative device screens. Values shown are examples.
View steps, distance and estimated activity data on your watch.
Illustrative device screens. Values shown are examples.
Switch between available watch faces to match your style.
Illustrative device screens. Values shown are examples.
Start a recording on the watch, then review the record in the connected G Band app. For reference only, not diagnosis.
Illustrative device screens. Values shown are examples.
View steps, distance and estimated activity data on your watch.
Illustrative device screens. Values shown are examples.
Switch between available watch faces to match your style.
Illustrative device screens. Values shown are examples.
Start a recording on the watch, then review the record in the connected G Band app. For reference only, not diagnosis.
Illustrative device screens. Values shown are examples.
View steps, distance and estimated activity data on your watch.
Illustrative device screens. Values shown are examples.
Switch between available watch faces to match your style.
Illustrative device screens. Values shown are examples.
Start a recording on the watch, then review the record in the connected G Band app. For reference only, not diagnosis.
Illustrative device screens. Values shown are examples.
View steps, distance and estimated activity data on your watch.
Illustrative device screens. Values shown are examples.
Switch between available watch faces to match your style.
Illustrative device screens. Values shown are examples.
DAILY CHARGING
Align the magnetic charging cable with the contacts on the back of ET491, then connect the USB end to a power source.

PHONE CONNECTION
Pair ET491 in G Band to sync the time and review your watch records.
G Band
Android 8.0+ · iOS 13.0+
Use the app identified in your ET491 manual.
Turn on Bluetooth and select your watch in G Band.
Follow the manual’s additional Bluetooth audio-pairing instructions for wrist calling.
DAILY CHARGING
Align the magnetic charging cable with the contacts on the back of ET491, then connect the USB end to a power source.

PHONE CONNECTION
Pair ET491 in G Band to sync the time and review your watch records.
G Band
Android 8.0+ · iOS 13.0+
Use the app identified in your ET491 manual.
Turn on Bluetooth and select your watch in G Band.
Follow the manual’s additional Bluetooth audio-pairing instructions for wrist calling.
DAILY CHARGING
Align the magnetic charging cable with the contacts on the back of ET491, then connect the USB end to a power source.

PHONE CONNECTION
Pair ET491 in G Band to sync the time and review your watch records.
G Band
Android 8.0+ · iOS 13.0+
Use the app identified in your ET491 manual.
Turn on Bluetooth and select your watch in G Band.
Follow the manual’s additional Bluetooth audio-pairing instructions for wrist calling.
DAILY CHARGING
Align the magnetic charging cable with the contacts on the back of ET491, then connect the USB end to a power source.

PHONE CONNECTION
Pair ET491 in G Band to sync the time and review your watch records.
G Band
Android 8.0+ · iOS 13.0+
Use the app identified in your ET491 manual.
Turn on Bluetooth and select your watch in G Band.
Follow the manual’s additional Bluetooth audio-pairing instructions for wrist calling.
DAILY CHARGING
Align the magnetic charging cable with the contacts on the back of ET491, then connect the USB end to a power source.
PHONE CONNECTION
Pair ET491 in G Band to sync the time and review your watch records.
G Band
Android 8.0+ · iOS 13.0+
Use the app identified in your ET491 manual.
Turn on Bluetooth and select your watch in G Band.
Follow the manual’s additional Bluetooth audio-pairing instructions for wrist calling.
DAILY CHARGING
Align the magnetic charging cable with the contacts on the back of ET491, then connect the USB end to a power source.
PHONE CONNECTION
Pair ET491 in G Band to sync the time and review your watch records.
G Band
Android 8.0+ · iOS 13.0+
Use the app identified in your ET491 manual.
Turn on Bluetooth and select your watch in G Band.
Follow the manual’s additional Bluetooth audio-pairing instructions for wrist calling.
Classic round design. Steps and everyday activity tracking.
App & connection
Connect ET491 to G Band on your phone to sync time and review your records. Bluetooth calls require the phone connection.
Phone compatibility
The supplied product information lists Android 8.0 or later and iOS 13.0 or later. Check that the current G Band app supports your phone before ordering.
Charging & battery
250 mAh battery with magnetic charging. Manufacturer-estimated battery life: 4–7 days of use. Actual battery life varies with use and settings.
Water & care
IP68, as listed in the product specifications. Remove before swimming, showering or bathing. Dry the watch and charging contacts before charging.
Health features
Start an ECG recording with the side and rear electrodes in contact as instructed, then review it in G Band. Health readings are for general wellness information and are not intended for medical diagnosis, treatment or prevention.
Meet the MARSYU ET491: an elegant round smartwatch with a vivid 1.32-inch AMOLED display, ECG recording and Bluetooth calling. Choose a silver or rose-gold case with a mesh, leather-style or silicone band, and keep everyday health and activity close at hand.

Everyday health. Elegantly worn.
1.32-inch AMOLED · ECG recording · Bluetooth calling

Everyday health. Elegantly worn.
1.32-inch AMOLED · ECG recording · Bluetooth calling

Everyday health. Elegantly worn.
1.32-inch AMOLED · ECG recording · Bluetooth calling

Everyday health. Elegantly worn.
1.32-inch AMOLED · ECG recording · Bluetooth calling
Everyday health. Elegantly worn.
1.32-inch AMOLED · ECG recording · Bluetooth calling
Everyday health. Elegantly worn.
1.32-inch AMOLED · ECG recording · Bluetooth calling
$100.00 USD