Headphone Output Interface
The interface is a standard 3.5mm headphone jack.
TF Card Port
1. The port is only for the standard TF card(Micro SD) and supports a
capacity up to 2TB.
USB Port
1. Data transfer
a. After booting up the device, enter the System settings, select the
"USB Mode" option and set to the "USB" status.
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b. Connect to computer to manage files on inserted TF card.
2. Insert the TF card into the card slot in the indicated direction and
press it gently until it locks inside. Press again to remove the card.
Charging
Volume Control
Turn the wheel clockwise to increase the volume, turn the wheel
counterclockwise to decrease the volume.
It is recommended to use DC5V 2A adapter for charging. The charging
icon and the battery level will be displayed on the LCD display when the
device is charging with the USB cable.