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1.

 Long press      button (3 seconds) to enter Pairing mode. 

While searching for available devices the indication light on 
the headphones changes colors (blue & red alternately).

2.

 Activate ‘Bluetooth’ mode on your device and search for 

available devices. Select the headphones when they are 
detected under the name “CRYSTAL AUDIO BIE-04”.

When the earphones are not in use, you can turn them off in 
order to preserve battery life. As soon as you turn them on, the 
earphones will connect to the last paired device automatically, 
in order for you not to miss any of your incoming calls.
The earphones will be automatically turned off if they are not 
connected to a device within 3 minutes.

DECLARATION OF CONFORMITY

Radio equipment and telecommunications 

terminal equipment, Directive 2014/53/EU

Crystal Audio hereby declares that the product, BIE-04 Wireless 
Headphones, is in conformity with provisions of the Directive 
2014/53/

Ε

U. The complete text of the Declaration of conformity can be 

found on the following webpage: 

www.CrystalAudio.com

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