To pair your TCL Headphone to your device, follow the step-by-step instructions below:

• Press and hold power botton for 5 seconds until the blue and white LED flashes alternately.  Note:  Make sure the headphone is on the off status
• The blue LED will flash when pairing is successful.
• Turn on the Bluetooth function of your device such as smartphone. 
• Select model name of the headphone. Enter "0000" if the headphones password is required.
• The blue LED will flash when pairing is successful