HTC DROID Droid Incredible 2 User Manual page 243

To trim, you can:
• First drag the two trim sliders approximately to the part where
you want the ringtone to begin and end.
•
Then tap the right and left arrow buttons to more precisely set
the start and end points of the ringtone.
. After you've finished trimming, tap Set as. Then choose whether
to set the trimmed song as your Phone ringtone or Contact
ringtone.
Checking if the song was added as a ringtone
1. From the main Home screen, press MENU , and then tap
Settings.
2. On the Settings screen, tap Sound > Phone ringtone. The song
should be in the ringtone list and selected.
Sharing music using Bluetooth
You can choose a song from the Music app's Library and send it to
someone's phone or your computer using Bluetooth.
1. From the main Home screen, tap
2. Tap to go to the Library.
3. In the Library, tap the song that you want to share.
4. On the Playback screen, press MENU and then tap Share >
Bluetooth.
5. In the next few steps, you'll be asked to turn on Bluetooth on
your phone and connect to the receiving Bluetooth device so
the music can be sent. Follow the steps in "Sending information
using Bluetooth" in the Bluetooth chapter.
Photos, videos, and music 
> Music.