Looking for a smartwatch that keeps up with your everyday routine? CUBOT U2 and CUBOT U3 combine fitness tracking, health monitoring and smart connectivity in two different designs.

Whether you're working out, cycling, commuting or simply staying connected throughout the day, both watches are designed to make essential information easily accessible from your wrist.

CUBOT U2: Compact, Stylish and Ready to Move

The CUBOT U2 features a compact 1.26-inch round display, making it a great choice for users who prefer a classic watch-inspired design.

With Bluetooth 5.4, Bluetooth calling, heart-rate and SpO₂ monitoring, 123 sports modes and IP68 water resistance, U2 is designed for both everyday wear and active lifestyles.

Its 220mAh battery provides approximately 5–7 days of typical use, helping you spend less time charging and more time moving.

U2 Highlights:

  • 1.26" round display

  • Bluetooth 5.4 & Bluetooth calling

  • 123 sports modes

  • Heart rate & SpO₂ monitoring

  • IP68 water resistance

  • 5–7 days of typical use

Ride Light. Stay Connected.

CUBOT U3: Bigger Screen, More at a Glance

Prefer a larger display? CUBOT U3 features a 1.83-inch screen, giving you more space to check workouts, notifications and everyday information.

It also offers Bluetooth 5.4, Bluetooth calling, 123 sports modes, heart-rate and SpO₂ monitoring, sleep tracking and IP68 water resistance.

A larger 300mAh battery delivers approximately 5–7 days of typical use, while Mobile APP GPS support makes the U3 a practical companion for outdoor activities.

U3 Highlights:

  • 1.83" large display

  • Bluetooth 5.4 & Bluetooth calling

  • 123 sports modes

  • Heart rate, SpO₂ & sleep monitoring

  • Mobile APP GPS

  • IP68 water resistance

  • 300mAh battery

CUBOT U2 vs U3: What's the Difference?

If you prefer a compact, classic round smartwatch, choose the CUBOT U2. If you want a larger display and Mobile APP GPS support, the CUBOT U3 may be the better fit.

Win a CUBOT U2 or U3!

To celebrate the CUBOT U2 and U3, we're giving away 6 smartwatches to 6 lucky winners!

3 × CUBOT U2  

3 × CUBOT U3

Winners announced September 23, 2026.

Enter the CUBOT U2 & U3 Smartwatch Giveaway

Which one would you choose — U2 or U3?

Frequently Asked Questions

What is the main difference between CUBOT U2 and U3?

U2 features a compact 1.26-inch round display and 220mAh battery, while U3 offers a larger 1.83-inch display, 300mAh battery and Mobile APP GPS support.

Do CUBOT U2 and U3 support Bluetooth calling?

Yes. Both watches support Bluetooth calling and Bluetooth 5.4 connectivity.

Are CUBOT U2 and U3 suitable for sports?

Yes. Both support 123 sports modes, making them suitable for activities such as walking, running and cycling.

Stay Active. Stay Connected.

Whether you prefer the compact CUBOT U2 or larger-screen CUBOT U3, both bring fitness tracking, health insights and everyday smart features to your wrist.

Explore CUBOT U2 | Explore CUBOT U3