From sport to relaxation, BC 3.9 tracks more than 110 sports activities, counts your steps, counts calories, and monitors heart rate, sleep, and blood oxygen.
With Bluetooth calls, voice assistant, notifications, and a find-my-phone feature, connection is always right at your wrist.












5 ready-to-use watch faces and many more downloadable from the app: choose a different look for your display every day.


BC 3.9 comes in special packaging that includes the smartwatch and a second strap..



The smartwatch is provided with an exclusive packaging wich makes it a perfect gift.

For further information regarding other features, check the section FAQ.
| WATER RESISTANCE | < 3 ATM < 30 METERS | 3 ATM 30 METERS | 5 ATM 50 METERS | 10 ATM 100 METERS | 20/30 ATM 200/300 METERS |
|---|---|---|---|---|---|
| CASE | 3 ATM WR | 5 ATM WR | 10 ATM WR | 20/30 ATM WR | |
| ✕ | ✓ | ✓ | ✓ | ✓ | |
| ✕ | ✓ | ✓ | ✓ | ✓ | |
| ✕ | ✕ | ✓ | ✓ | ✓ | |
| ✕ | ✕ | ✓ | ✓ | ✓ | |
| | ✕ | ✕ | ✓ | ✓ | ✓ |
| ✕ | ✕ | ✕ | ✓ | ✓ | |
| ✕ | ✕ | ✕ | ✕ | ✓ | |
| ✕ | ✕ | ✕ | ✕ | ✓ |