These are the following steps you should follow to pair a coolest cooler speaker, 1. You must make sure that the cooler speaker is fully charged. Otherwise connect it to a power source. 2. Until the LED light flashes press and hold the power button. The colours of the light will be red and blue. 3. Connect your device to the speaker through Bluetooth. 4. Go to the Bluetooth settings and select the coolest speaker from the scanned devices. Once you successfully connect your device to the speaker the LED light will flash blue.