I12 TWS Wireless Bluetooth 5.0 Portable Stereo Earphone

The i 12 s TWS is an advanced True Wireless Stereo (TWS) technology. Left and right buds separately can be used alone or both in the same time. The two i 12 TWS earbuds will turn on and pair each other automatically, the left earbuds will flash blue and the red LED of right earbuds will turn off when they paired each other successfully.