How to Factory Reset the SP750
Conducting a factory reset on the speaker will clear all past pairing data and restore the default settings for the product. You may want to reset the if you have trouble pairing it with your devices.
Step 1: Plug the SP750 into a power source.
Step 2: Clear pairing history.
Press and hold the MFB for about 5 seconds until you hear the speakers beep twice. Now the SP750 has been restored to its default settings.