Phiaton BT 100 NC Quick Manual page 10

7. How to Use Earphones
1) Hold the earphone body with wire dropping down.
2) Pull back and up on the earflap to enlarge the earhole.
Gently insert the entire tip into the ear.
3) Let the ear tip set comfortably in your ear.
10
8. More Function and Information
For more function and information, please refer
to 'BT 100 NC Owner's Guide' at
Support page on phiaton.com.
http://www.phiaton.com/bt-100-nc