Daping DP18-Pro User Manual page 5

(3) After connecting the earphones, turn on the product, and wait
until the power light turns blue. Then press the "Play" button
on the remote control to play the recorded data. (The power
light flash blue).
Stop playback: Press the "Play" button again during playback
to stop playback.
(Note: To save battery, if you stop playback for 20 minutes, the
power will be turned off automatically.)
( By change the software, you can turn the auto power-off function.
If necessary, see " Common Problems " at the end of the manual.)
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