For Hands-free Function:
During the incoming call, When under music playing mode, C23S will
automatically switch to call function.
Answer the phone call on your mobile or click the call button to Answer
Again, Press the Call button to hang off
Double press the play button to automatically call back
For charging Function
C23S features Dual USB 3.4A to charge your smartphones & small tablets.
To charge your USB powered devices, Plug one end of cable into C23S’s USB
charging port and other end to your device.
This model also supports to display the car battery voltage, so as to remind t
your car battery health status.Here is the instruction.
Lower than 12V: the car battery’s voltage is low.
(If lower than 10V, the car battery need to change)
12V-13.4V: the battery’s voltage is normal
13.4V-15V: the battery is on charging
15V or above: the battery is fully charged
