Start with movement.
Steps, distance and calorie estimates for your activity routine. Silver / Black perforated design shown.




Health readings are for general wellness reference, not medical diagnosis or treatment.
App: G BANDCompatibility & care
SCREEN-FREE MOVEMENT
A narrow rectangular frame sits around the visible perforated band for a clean, screen-free look. Silver / Black perforated design shown.
MOVE YOUR WAY
Steps, distance and calorie estimates for your activity routine. Silver / Black perforated design shown.
Multiple sport modes for different ways to move. Silver / Black perforated design shown.
A screen-free band for your active days. Silver / Black perforated design shown.
Movement, breathing and moments to unwind. Gold / Orange perforated design shown.
Scene 1 of 4
THE DESIGN, UP CLOSE
A closer look at the open rectangular frame, the back and the perforated band. Silver / Black perforated design shown.

A narrow rectangular frame with the perforated band visible through its centre.

Explore the back of the band and its physical details.

A closer look at the strap pattern and construction.
ACTIVITY TRACKING
Track steps, distance and calorie estimates, with multiple sport modes for your activity routine. Silver / Black perforated design shown.
DAILY WELLNESS
Heart-rate and blood-oxygen features support your wellness routine. Results are for general wellness, not medical diagnosis. Silver / Black perforated design shown.
SLEEP TRACKING
Follow your sleep routine with sleep tracking in a screen-free band. Post-workout lifestyle scene; Gold / Orange perforated design shown.
G BAND
Use SW1 with the G BAND companion app. The band stays screen-free. Silver / Black perforated design shown.
CHOOSE YOUR COLOUR
Explore four perforated silicone-band styles: Silver / White, Gold / Black, Silver / Black and Gold / Orange. Choose your complete style in the product selector.
Perforated silicone band. Silver / Black appearance shown.
Currently unavailable
Choose this styleSW1 ESSENTIALS
No. SW1 has a screen-free design.
Use the image thumbnails in the product gallery to explore the front, back and band details.
Use the product selector to view the available options. The selected option determines the product added to your cart.
SW1 uses the G BAND companion app.
SW1 uses magnetic charging.
Silver and Gold refer to the appearance.
App & connection
Use SW1 with G BAND on your iPhone or Android phone. SW1 has no screen, microphone or speaker.
Charging & battery
SW1 uses magnetic charging.
Size & fit
Band body: 47 × 24 × 10 mm. Paint-finished plastic casing.
Water & care
IP68, as listed in the SW1 specifications. Remove before swimming, showering or bathing. Dry the band and charging contacts before charging.
Health features
Track activity, heart rate, blood oxygen and sleep as part of your everyday wellness routine. Health readings are for general wellness information and are not intended for medical diagnosis, treatment or prevention.
MARSYU SW1 pairs a screen-free design with a perforated silicone band in four colour combinations. Heart rate, blood oxygen, sleep and activity features work with the G BAND companion app.
Magnetic charging. For general wellness use, not medical diagnosis.

Move your way. Screen-free.
Silver / White - Perforated band.
Activity tracking · Daily wellness · G BAND

Move your way. Screen-free.
Gold / Black - Perforated band.
Activity tracking · Daily wellness · G BAND

Move your way. Screen-free.
Silver / Black - Perforated band.
Activity tracking · Daily wellness · G BAND

Move your way. Screen-free.
Gold / Orange - Perforated band.
Activity tracking · Daily wellness · G BAND
$100.00 USD

$100.00 USD
Black and pink woven-band styles; screen-free SW1
Explore this model
$100.00 USD
Grey woven band; screen-free SW1
Explore this model