Users Manual

charging, the power indicator icon is always on, showing
the percentage of power (such as XXX)
12. In any working mode, if no working signal is detected
for more than 30 minutes, S388 enters the sleep state,
Press any key to wake up.
13. Long press "previous song" and "next song" to
self-check
UHF pairing instructions
Re-pair U10 and amplifier:
After the amplifier is turned on, it enters UHF mode,
press and hold the M button for 3 seconds to enter
UHF pairing mode, the screen displays "UHF" flashing,
long press the U10 power button to turn on, and then
long press the U10 pairing button
After pairing with the loudspeaker, after the pairing is
successful, the U10 indicator light is always on and it can
work normally, and the loudspeaker screen displays
"UHF" always on;