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CardoO Headphone
USB-C Charging Cable
User Guide
Warranty Card
Gift Card

You can set up the CardoO Headphone and use it in minutes.

Use the CardoO app on your smartphone to customize settings and notifications. Search for "CardoO" on Google Play, App Store, or scan the QR Code.

1. Open the CardoO App: Log in or create a new account.
2. Enable Bluetooth and Location Services
3. Add Device in the app
4. Confirm Connection

ANC On: Press the ANC button once
Transparency Mode: Press twice
ANC Off: Press three times

Music and Calls
Volume Control
Voice Assistant

32 hours with ANC On
55 hours with ANC Off
Quick Charge: 10 min = 3-4 hours playback

Avoid high volumes for extended periods
Stay aware of surroundings
Avoid excessive heat/moisture

Device not powering on
Bluetooth connection issues
Battery performance