Stereo pairing only works between 2 speakers at most and you would need to pair two identical speakers at the same time to create a stereo sound that distinguishes the L (left) and the R (right) channel separately.

To pair two upgraded Soundcore Boost speakers together, follow the steps listed below.

1. Turn the two speakers on and press the TWS button on the two speakers. You can find the TWS button on the back of the USB cover.

2. The TWS indicator light will be flashing white, indicating that both the speakers are in pairing mode.

3. You will hear a "tone" when both speakers are paired successfully. The TWS indicator on the primary speaker is blue and the TWS indicator on the secondary speaker is solid white.

4. You can pair your primary speaker with your phone now.
 

Note: Avoid having any electronic devices between both speakers, and make sure the distance between the two speakers is not greater than 5 meters.

If you still have any questions, please contact us for further assistance.