BenQ Z2 - Manual (Page 53)

Using Your Phone 37
Using the MP3 Player
To turn on the phone's MP3 player, press ( MP3) from the idle
screen or long-press the MP3 player button on the left side of the
phone.
If the SIM card is not inserted, long-pressing the MP3 player button
will turn the MP3 player on.
The MP3 Player can only play audio files saved in the following
formats: MP3 (MPEG1-LAYER3/MPEG2-LAYER3), AAC/AAC+
(ADTS Format (LC & HE-AAC Profile)), and BP3.
Setting up the Play List
The first time you use the MP3 player, you need to decide which songs
you want the MP3 player to play by setting up the Play List.
1. On the MP3 player screen, press ( Option ) and select Edit Play
List to build your play List.
2. Scroll to the preferred song, then press the Joystick button (OK) to
mark the song you wan to add to the Play List. Pressing the Joystick
button (OK) will also remove a selected song from the Play List.
3. Press (Done) to confirm your choices.
Selecting All will either add or remove all songs.