Nokia TWS-521 Guide De Démarrage Rapide page 4

1.2 For optimal fit and audio performance,
replace the ear tips with the size that
best suits you.
2. Pair and connect with Bluetooth
2.1 Pairing with the device
2.1a Turning on and pairing:
When you take the earbuds out from the charging case, the earbuds will turn on
and pair with each other automatically. When they have successfully paired, the
LED indicator light of the right earbud will flash blue and red alternately and the
earbuds are ready to connect with your Bluetooth
Microphone
6
3
device.
®