S-2 Stereo Headphones
Congratulations and thank you for choosing the Cardo S-640™ headset.
Before using it we recommend that you familiarize yourself with the
Bluetooth
®
functionality of your cellular phone.
NOTE: Please visit www.cardosystems.com/faq for more information.
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Cardo S-640™ Overview
1. Microphone
2. Volume Button
3. LED Status Indicator
4. Built-in Ringer
5. Charging Jack
6. Built-in Rechargeable
Battery
7. Control Button (CTRL)
8. Earbud
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