Nextar MA750 用户手册
4.2 Button
layout
(1) Power/Stop
button
(2) Microphone
(3) Display
area
(4) Play/pause button/
(5) Fast forward button
(6) Reset
hole
(7) USB
port
(8) Earphone
jack
(9) Volume
down
button-
(10) Rewind button
(11) Volume up button+
10