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YOBYBO Card20 Pro Manual page 6

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In charging
Red light
Charging case:
Close
White light flash
4 seconds, then
lights go out
Finish Charging
Three white lights
light on and lights go
out after 8 seconds
Parameters
5
Bluetooth Version
Working hours
Distance
FREQ
Working hours
Accumulated working hours
Output of Charging Case
Charging time for earphone
Charging time for charging case
Finish charging
Blue light first,
then lights goes
out
Open
White light flash
4 seconds, then
lights goes out
Reminder of low
battery
White light flashes,
lights go out after 4
seconds
No paired
Red and Blue
light flash
In charging
Corresponding to
the battery and white
light flash
5.2
2.4-2.5GHz
10 meters
20-20KHz
5 hours
25 hours
300mAh
1 hour
2 hours
Waiting to be
paired with
phones
Blue light flash

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