How to Use the Earbuds (Avantree ACE 130) Independently with Another Device?
STEP 1 - Ensure that the Transmitter is powered off. (If not, the transmitter and the
earbuds will connect automatically as they’re locked together by default.)
STEP 2 - Open the charging case, put the earbuds back into the charging case, and
close the lid. Then open it again and the earbuds will go into pairing mode. The LED indicator will flash RED & BLUE alternately.
STEP 3 - Turn on your audio source's Bluetooth and select "Avantree ACE 130" from its Bluetooth menu to connect.