How to Connect both earbuds Together? Steps : - In general, i12 TWS earbuds are matched when they leave the factory. The two i12 TWS earbuds will turn on and pair each other automatically after take out from charging case. the left earbuds will flash blue and the red LED of right earbuds will turn off when they paired each other successfully. If not, please refer to the following steps. (Reset the i12 TWS) Step 1: Delete the left and right erbuds pairing information (Reset the i12 TWS). In pairing mode, 5 click the power button until LED lit RED. Step 2: Long press the function key for 5 seconds to turn on the i12 TWS. Step 3: Enter pairing mode, pairing time is about 5 seconds, prompt tone "pairing mode". Step 4: Left flash blue light, Right light off, the pairing is successful, and prompt "connected".