Connect the magnetic charging cable to the charging contacts on the rear casing of Watch Cosmos and plug into a 5V 2A adapter. It charges up to 100% in approximately 30 minutes.

1. Clean the gold magnetic contact pins on the watch back and the cable with a dry cotton swab or mild alcohol wipe.
2. Ensure your wall charger provides a steady 5V 2A output.
3. Avoid connecting to low-power computer USB ports for fast charging.

The battery percentage is displayed on the main watch face and in the pull-down shortcut control center.

1. Download ‘boAt Crest’ from Google Play Store or Apple App Store.
2. Register with mobile OTP and grant Bluetooth/Location permissions.
3. Tap ‘Start Setup’ → ‘Add Device’ → Select ‘Cosmos’ / ‘COSMOSCALL_XXXX’.
4. Tap ‘Yes’ on the watch screen to confirm.

• Half Blue / Half Grey: Paired for data and notifications only (Calling audio disconnected).
• Complete Solid Blue: Fully connected for both app sync and Bluetooth phone calls.

Open the boAt Crest App homepage and drag down the screen to trigger manual synchronization. Keep the watch within 2 meters of the phone while syncing. We recommend syncing at least once every 7 days.

You can customize your top 20 sports modes on the watch dial through the boAt Crest App, choosing from 700+ activities. To start a workout, short press the side button, tap ‘Sport’, select your activity, and press start. (Workouts under 1 minute are not saved).

Stress is measured via Heart Rate Variability (HRV):
• 1-29%: Relaxed
• 30-59%: Normal
• 60-79%: Medium Stress
• 80-99%: High Stress (engage in Guided Breathing mode to bring heart rate into balance).

The sleep monitor requires a continuous rest duration of at least 3 hours. Night sleep classification breaks down into Deep, Light, REM, and Awake stages.

• Watch Faces: Long press on the home screen to switch between 4 default watch faces, or use boAt Crest App → Cloud Watch Faces for 100+ creative options.
• Camera Control: Open the Camera widget on the watch to remotely click pictures on your phone.
• Music Controls: Play, pause, skip songs, and adjust volume directly from the wrist.

Yes, it features an IP68 rating, ensuring protection against sweat, rain, and hand washing. It is not suitable for hot baths or sauna steam.