11.Other functions of M3 Pro

a. Sound recorder: the built-in microphone supports recording files playing;

b. Calculator: supports simple calculation of addition, subtraction, multiplication, division and percentum calculating as well;

c. E-book reader: TXT formats only.

d. Picture preview: JPG, PNG, BMP formats supported.

Notices: the M3 Pro is featured with Linux system so that it does not support third-party applications.