Operating Instruction

4.The LED light is red when charging, and the red light is always
on.
5.Specification of the charger: Output voltage: DC5V+/-0.25V,
Output current :100mA-250mA
Local playback switch: double-click multi-function button in
bluetooth connection state. The Chinese and English prompt sound
means the switch is successful.
SD card features:
1. Bluetooth is the default mode. Keep the bluetooth connected
when changing SD card in any state.Switch the phone call to
bluetooth if any.
2.In bluetooth mode, double click the left multi-function button to
switch to SD card mode, accompanied by “Local Play prompt
sound(bluetooth static working).
3.In SD card mode, double click the right multi-function button to
switch to bluetooth mode, accompanied by “Bluetooth
Mode”prompt sound(SD card static working).
4.In SD card mode , reboot when it is power off or shutdown, it will
play from where it stops.
5. When it is paused in the SD card mode, the blue light is always
on.
6.When entering SD card mode after start-up, the background