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Charging Your Bluetooth Speaker   

1.

 

Before using this device for the first time ,please fully charge the battery.   

2.

 

Plug one end of the provided micro USB cable into the port of the Bluetooth speaker.   

3.

 

Plug the other end of the USB cable into a local power source. 

4.

 

When your Bluetooth speaker is charging the LED indicator will glow red.   

5.

 

When the Bluetooth speaker is fully charged the LED indicator will turn off.   

 

Note: When the battery is getting low the user will hear a notification sound. This indicates that 

the speaker needs to be plugged in and charged immediately.   

 

 

Connecting via Bluetooth   

1.

 

Turn on the both of speaker.   

2.

 

The both of speaker will pairing and connected automatically.   

3.

 

Open the Bluetooth settings on a Bluetooth enabled device (phone, tablet,etc.) Turn on the 

devices Bluetooth functionality and scan for nearby Bluetooth devices.   

4.

 

In the available list , you will see “CSTW-548-2FD”, select this device.   

5.

 

When the connection is successful, the user will hear a notification sound. 

   

 

TWS connection   

The CSTW-548-2FD supports true wireless stereo pairing.    They may stream music from their 

phone to both speakers at the same time.   

1.

 

Power on the two devices at the same time.   

2.

 

The both of speaker will pairing and connected automatically.   

  Note:    the True Wireless stereo function only work in Bluetooth mode. The speaker that’s 

connected on the Bluetooth enabled device will become the primary speaker. While the other 

will become the secondary speaker. If the user turn off the primary speaker , the secondary 

speaker will be stop working.   

3.

 

Press the button 

  to connect or disconnect both speaker if user wants TWS function or 

not.  

   

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