To turn on and sync your Urban 4 TWS earbuds, simply remove the two units from your charging case or press the R and L Multifunction Button for 2 seconds. The two units will flash and sync between them automatically, this process takes about 15 seconds. When only one of them is flashing green and red, it will be time to connect your Urban 4 TWS Earphones to your smartphone. You can also check that the connection between the headphones has been satisfactory when you hear say "left channel right channel" by the respective headset.

Locate your Urban 4 TWS Headphones in the Bluetooth device list on your smartphone and press connect. If you have already paired them previously, they will connect automatically. As long as your Urban 4 TWS Earphones are connected, the status indicator (4) will remain off.

If only one of the earbuds rings,unlink your smartphone¡¯s earphone, insert the earphones into the Charging Case and press each earphone 3 times to reset them (they will flash green to indicate they have been reset correctly).