Attach the magnetic charging pins to the contact pads on the back panel of the watch. Connect the USB-A end to a 5V 2A power adapter. Full charge takes approximately 2 hours.

1. Clean the magnetic charging connector on the watch back with an alcohol swab or sanitizer dipped cotton.
2. Wipe dry thoroughly before placing on the charging dock.
3. Use a certified 5V 2A adapter and avoid low-amperage USB hubs.

Download ‘boAt Wearables App’ from Google Play Store (Android 7.0+) or Apple App Store (iOS 13.0+). Open the app, tap ‘Confirm Bind Device’, select ‘Cosmos Max’, and confirm pairing on the watch screen.

After binding in the app, open your phone’s Bluetooth settings and ensure ‘Cosmos Max_BT’ audio connection is paired. This allows you to make and answer calls with a single tap on the watch dial.

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

The Green optical LED detects blood flow to measure real-time Heart Rate. The Red optical LED measures reflective light absorption to estimate Blood Oxygen (SpO2). Disclaimer: The data is for fitness reference only and is not medical equipment.

The internal 3-axis motion sensor tracks rhythmic wrist acceleration. Continuous hand gestures (typing, gaming, bumpy car rides) can occasionally register small step count variations.

• Watch Faces: Long press on the home screen to pick from stored watch faces, or use boAt Wearables App → Cloud Watch Faces for 100+ designs.
• Brightness: Go to Settings → Brightness (select from 3 levels).
• Camera Control: Use the Camera widget on the watch to click pictures remotely on your phone.

Yes, it features an IP68 rating, providing complete protection against dust, sweat, and rain splashes during workouts. It is not suitable for hot baths, saunas, or deep-sea diving.