Compare devices wearable

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Cubot U3
Cubot · wearable

U3

Huawei Watch D3
Huawei · wearable

Watch D3

3

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Launch

2
Announced
2026
2026-09-02
Status
Available
Available

General

2
Model name
Cubot U3
Huawei Watch D3
Model number
–
RIV-B10

Body

9
Protection
IP68
–
Colors
  • Black
  • Silver
  • Pink
  • Black
  • Gold
QWERTY keyboard
✕ No
✕ No
Height
–
46.5 mm
Width
–
41 mm
Thickness
–
11.3 mm
Weight
–
40 g
Back material
–
Plastic
Frame material
–
Aluminum

Platform

1
OS
Proprietary OS
HarmonyOS

Memory

1
Dedicated card slot
✕ No
✕ No

Display

6
Size
1.83"
1.92"
Resolution width
240 px
480 px
Resolution height
284 px
408 px
Pixel density
203 ppi
328 ppi
High refresh rate
✕ No
✕ No
Technology
TFT
AMOLED

Main camera

2
HDR
✕ No
✕ No
Panorama
✕ No
✕ No

Sound

3
3.5mm jack
✕ No
✕ No
Stereo speakers
✕ No
✕ No
Loudspeaker
✓ Yes
✓ Yes

Sensors

6
Gyroscope
✕ No
✓ Yes
Compass
✕ No
✓ Yes
Barometer
✕ No
✓ Yes
Heart rate
✓ Yes
✓ Yes
Accelerometer
✓ Yes
✓ Yes
Proximity
✕ No
✕ No

Connectivity

5
Bluetooth
Bluetooth 5.4
Bluetooth 6.0
GPS
✕ No
✓ Yes
NFC
✕ No
✓ Yes
Infrared port
✕ No
✕ No
FM radio
✕ No
✕ No

Battery

4
Capacity
300 mAh
–
Removable
✕ No
✕ No
Wireless charging
✕ No
✓ Yes
Charging power
–
5 W