User's Manual

2
4. Electrical schematic diagram
1. Adaptor DC power supply, input voltage 100-240V, frequency 50/60Hz,
output voltage 12.0V DC, rated output current 4A.
2. Touch the button once to enter the cooling function, and the cooling mode
starts to work.
3. In the cooling mode, long press the button to enter the heating mode.
When the heating temperature is reached, stop the heating, and reheat
again when the temperature is lower than your expectation.
4. The fan works during cooling, and it stops working during heating.
AC INPUT
L
N
Power adapter
DC OUT
+V
-V
+V -V +V -V
DC INPUT
FAN
Heating fan
Control PCBA
LED
TEC
NTC
Wireless charging pad
DC male female
connectors
Wireless charging
control PCB