2. Bluetooth earbuds comes with 3 different sizes of eartips, you can choose a suitable eartips to fit your ear to ensure wear comfortable and stable.
3. After the first connection, bluetooth earphones can auto turn on and pair with each other when take it from the charging case.
4. If the wireless headphones is not taken out of the case, you need touch the MFB button for 3 seconds, and then it will auto enter the pairing status.
5. In order to have a stable connection and superior sound quality, please keep the bluetooth earbuds and Bluetooth device within 10m barrier-free transmission distance.
6. If the pairing time exceeds 6 minutes, the Bluetooth earphones will auto turn off.
7. Please wear two wireless ear buds during call, in order to a good call quality.
8. CVC8.0 noise cancelling technology main reduce the noise during the call.
9. If you have problems in connect the wireless earbuds, you can try to delete the pairing your phone's Bluetooth list to reconnect and reset.