Operating Instruction
5.Specification of the charger: Output voltage: DC5V+/-0.25V, Output
current :100mA-250mA
Local playback switch: double-click multi-functionbutton 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.InSD cardmode, 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 bluetooth
search will stop in 1 minute.
Chargers and Batteries
Before using any charger to charge this headset, please check whether the
specification of the charger meets the requirements. It is recommended










